commercial diffraction grating has 300 lines per mmmm. Part A When a student shines a 410 nmnm laser through this grating, how many bright spots could be seen on a screen behind the grating
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When, student shines at 410 nm laser through diffraction grating with 300 lines per millimeter, approximately 731,707 bright spots can be seen on screen behind the grating.
To determine the number of bright spots that can be seen on a screen behind a diffraction grating, we can use the formula for the number of lines per unit length and the wavelength of light.
Given;
Number of lines per millimeter (l) = 300 lines/mm
Wavelength of laser light (λ) = 410 nm
To convert the number of lines per millimeter (l) to lines per meter, we can use the conversion factor;
1 mm = 1000 µm
1 µm = 10⁻⁶ m
Converting lines/mm to lines/m, we have;
300 lines/mm = 300,000 lines/m
Now, we can determine the number of bright spots using the formula:
Number of bright spots = l / λ
Substituting the values, we have;
Number of bright spots = 300,000 lines/m / 410 nm
To simplify the calculation, we need to convert nanometers (nm) to meters (m);
410 nm = 410 × 10⁻⁹ m
Substituting the converted value, we have;
Number of bright spots = 300,000 lines/m / (410 × 10⁻⁹ m)
Simplifying, we find;
Number of bright spots ≈ 731,707
Therefore, the number of bright spots will be 731,707.
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Related Questions
The dependent variable measured was the (a. initial momentums b. final momentums c. final velocity)
Answers
Answer:
B) Initial Momentums
Explanation:
can an object under constant acceleration come to rest and stay at rest?
Answers
Explanation:
No. If the object stays at rest, its acceleration is 0. So the acceleration must have changed.
Which of the following statements correctly describe the asthenosphere
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how can we take advantage of waste materials
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Answer:
we can incinerate waste materials and use the product as fuel rather than dumping them. It may produce carbon dioxide but we can create a machine that can convert carbon into energy.
Net filtration pressure (NFP) = HPg + OPg + HPc (T/F)
Answers
False. The formula for net filtration pressure (NFP) is calculated as the difference between the hydrostatic pressure (HP) and the colloid osmotic pressure (OP) across the capillary walls. The formula for NFP is:
NFP = HP - OP
HP represents the hydrostatic pressure exerted by the fluid within the capillaries, while OP represents the osmotic pressure exerted by the proteins and solutes in the blood. The sum of HP and OP gives the forces acting in opposite directions, determining the movement of fluid across the capillary walls.
There is no term of HPc (hydrostatic pressure in the interstitial fluid) in the calculation of NFP.
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A sailboat is moving at a constant velocity is work being done by a net external force
Answers
Answer:
Yes
Explanation:
The wind net force acting on the sail is doing work. (The 'net' force takes into account the force of friction between the boat hull and the water)
Describe how you would find absolute pressure in a car tire if you had a barometer and a tire pump with an air
pressure gauge
Answers
The absolute pressure in a car tire can found by following method:
Pressure is the force per unit area applied toward a course perpendicular to the outer layer of an item. To keep it precise, it is an amount of force following up on a unit area. The SI unit for pressure is measured in Pascals (Pa). Other non-SI units are bar and PSI. There are two types of references to quantify pressure,
Gauge Pressure
Absolute Pressure
The most well-known pressure reference is Gauge Pressure which is connoted by a ‘g’ after the pressure unit, for example, 33 psi g. It is the pressure relative to barometric or atmospheric pressure; it is positive for pressures above atmospheric pressure and negative for pressures that are below atmospheric pressure. An Absolute pressure estimation is one that is alluded to as a perfect or an ideal vacuum. The best illustration of an absolute referenced pressure is the calculation of Barometric pressure. To deliver an absolute pressure sensor, one strategy is for a maker to seal a high vacuum behind the detecting diaphragm.Formula of Absolute pressure is given by:
p(a) = p(g) + p(atm)
Where ,
p(a) is absolute pressure,
p(g) is gauge pressure and
P(atm) is atmospheric pressure
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If a star is found directly above the sun on the h-r diagram, what can you conclude about its size?.
Answers
Answer:
It is larger than the Sun.
Explanation:
Brainliest pls
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PLEASE HELP MEE
Two blocks of silver have a temperature of 175°C. One block has a mass of 33g, the other block has a mass of 300g. Do the blocks have the same amount of thermal energy? Why or why not?
Answers
Answer & Explanation FROM YOUR TEACHER:
The blocks does not have the same amount of thermal energy
The mass and temperature of an item are both inversely correlated with thermal energy. Thermal energy is expressed as follows:
Mass times Specific Heat Capacity times Temperature equals thermal energy.
where the material's specific heat capacity relates the amount of heat required to raise a unit mass of the material's temperature by one degree Celsius.
Even if the two blocks are at the same temperature, they will have different quantities of thermal energy since they have different masses. Assuming they are both composed of the same material and have the same specific heat capacity, the block with a mass of 300g will contain more thermal energy than the block with a mass of 33g.
33g × specific heat capacity x 175°C Equals 33g thermal energy of a 33g block.
Heat capacity of a 300g block is equal to 300g times 175°C in terms of thermal energy.
The thermal energy of the two blocks will vary since the masses are different.
cumulus clouds often indicate a. a dry adiabatic lapse rate. b. a temperature inversion. c. possible turbulence.
Answers
Cumulus clouds often indicate Optiion C. possible turbulence.
Turbulence, associated with thunderstorms, may be extremely risky, having the ability to motivate overstressing of the aircraft or lack of manipulation. Thunderstorm vertical currents can be sturdy sufficient to displace a plane up or down vertically as plenty as 2000 to 6000 ft.
Turbulence is only one type of alternate in the air around your aircraft. Air is not nothingness; it's a fluid, like water. Currents of airflow up and down, ripple out, trade direction, and change speed. some of the things that reason turbulence are simpler to expect.
Turbulence is an unexpected and every-so-often violent shift in airflow. the ones irregular motions within the atmosphere create air currents that may purpose passengers on an aircraft to enjoy stressful bumps throughout a flight, or it is able to be extremely sufficient to throw an airplane out of manage.
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If Paula travels 3 km south and turns and goes 4 km east, what is the total displacement? What is the total distance? Please Explain and Show How You Got Your Answer
Answers
W E
S
Paula has gone 1 km east as the total displacement. The total distance would be 7 km. Why? Well, the difference between displacement and distance is displacement is directional which is why it’s included in velocity and not speed. However, distance is more broad and not as specific.
acceleration always refers as an
Answers
Answer:
Acceleration is a vector, and thus has a both a magnitude and direction. Acceleration can be caused by either a change in the magnitude or the direction of the velocity.
Explanation:
i) what is the weight of a 68-kg astronaut (a) on earth, (b) on the moon , (c) on mars , (d) in outer space traveling with constant velocity?
Answers
Answer : The weight of a 68-kg astronaut is different in all conditions, It will depend on acceleration due to gravity at the location. a) on Earth: The weight of a 68-kg astronaut on Earth would be 68 kg, b) On moon it would be 110 Kg , c) on mars it would be 255 kg and d) On outer space the weight of the astronaut would be zero
As weight is a measure of the force of gravity acting on a body and on Earth, the acceleration due to gravity is 9.8 m/s2, which results in a weight of 68 kg. On the Moon, the acceleration due to gravity is 1.62 m/s2, which results in a weight of 110 kg for a 68-kg astronaut.
On Mars, the acceleration due to gravity is 3.71 m/s2, which results in a weight of 255 kg for a 68-kg astronaut. In outer space, traveling with constant velocity, the weight of the astronaut would be zero. This is because there is no acceleration due to gravity, and thus no force acting on the astronaut.
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in a piston which arrange the pressure from maximum pressure to minimum pressure
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In a piston, the pressure is arranged from maximum pressure to minimum pressure in the following way:
Maximum pressure is at the top of the piston or the end that is opposite to the connecting rod, while minimum pressure is at the bottom of the end that is attached to the connecting rod. When the fuel-air mixture is ignited in the combustion chamber, it produces high-pressure gases that push the piston towards the connecting rod. This pressure decreases as the piston moves downwards, until it reaches the bottom of its stroke, where the pressure is at its lowest. The process then repeats itself as the piston moves back up towards the top of the cylinder. This movement is known as the piston's stroke. The pressure in the cylinder is controlled by various factors, including the size and shape of the combustion chamber, the fuel-air mixture ratio, and the timing of the ignition.
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Ace Batteries uses the Capital Asset Pricing Model to calculate the cost of equity capital. Which of the following event will REDUCE the company's WACC (weighted average cost of capital). a. An increase in the flotation costs associated with issuing new common stock. b. An increase in the market risk premium. c. A decrease in the company's beta d. An increase in flotation cost of issuing preferred stock.
Answers
WACC (Weighted Average Cost of Capital) is a calculation used to assess a company's cost of capital. It is computed by multiplying each source of capital (equity, debt, and preferred stock) by its relevant weight and then summing these up.
In this question, Ace Batteries is utilizing the CAPM (Capital Asset Pricing Model) to determine the cost of equity capital.Ace Batteries' WACC can be reduced if the company's beta decreases. The beta of a company is a measure of its market risk or volatility, and it is a component of the CAPM formula
As a result, a lower beta lowers the cost of equity capital, lowering the company's WACC. Consequently, option c: A decrease in the company's beta, will REDUCE Ace Batteries' WACC (weighted average cost of capital).
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What is sound energy? List three examples of sound energy that you experienced today.
Answers
2. a bee buzzing
3. a car engine
hope this helps!
What is the term that is used to describe the
material through which a wave travels?
a. Matter
b. Medium
C. Substance
d. None of the above
Answers
B. A wave travels through medium. Hope this helped!
1. A basketball player is attempting a free throw and aims to get the ball falls through the center of the hoop, which is located a horizontal distance of 4.2 m down the court from the free throw line. The player releases the ball from their hand at a height of 2 m above the floor, and the hoop is located another 3 m above ground level. The initial launch speed of the ball is 7.6 m/s. (a) Draw a simple diagram that illustrates the situation described above, clearly labelling all of the given measurements. (b) Start with the zero-drag projectile solution from class that gives the range as a function of launch angle, making sure to not forget the ± sign! Show that there are two possible launch angles for which the ball can pass through the center of the hoop: θ≈40.5
∘
and θ≈62.9
∘
. Generate a plot of the two corresponding trajectories. (c) Show that the trajectory corresponding to the smaller launch angle is too shallow, in the sense that the basketball approaches the hoop at too sharp an angle to pass through. Here, you will need to use the fact that the ball diameter is 24 cm and the hoop diameter is 46 cm.
Answers
(a) The given situation involves a basketball player attempting a free throw. A diagram can be drawn to illustrate the scenario, with the hoop located 4.2 m horizontally from the free throw line.
The hoop is positioned 3 m above the ground, and the player releases the ball from a height of 2 m. The initial launch speed of the ball is 7.6 m/s. All measurements should be labeled clearly on the diagram. (b) Using the zero-drag projectile solution, the range can be expressed as a function of the launch angle. By solving for the launch angle in the equation, we find two possible angles that allow the ball to pass through the center of the hoop: θ ≈ 40.5° and θ ≈ 62.9°. Plotting the corresponding trajectories for these angles will provide a visualization of the paths the ball would take. (c) To determine if the smaller launch angle (θ ≈ 40.5°) is too shallow, we consider the diameters of the ball (24 cm) and the hoop (46 cm). Analyzing the trajectory will reveal if the basketball approaches the hoop at an angle that is too steep or shallow for it to pass through successfully.
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Newton's second law states that force is equal to an object's mass times its acceleration. Knowing F=m*a what is the equation for acceleration in terms of force and mass?
Answers
Answer:
See below
Explanation:
Have you taken an algebra class? Physics will be easier if you do....
a * m = F divide both sides by m
a = F/m
Processes such as dissolving, melting, freezing, and evaporationg can affect the appearance of a substance, but the identity of the substance remains the same. These processes are called
A. physical properties
B. chemical change
C. chemical process
D. physical change
Answers
9. A metal coin has certain properties that can be measured. Which property of a coin is different on the moon than it is on Earth? C F a. mass b. weight c. volume d. density
Answers
Answer:
the weight is different on the moon
Explanation:
Answer quick!!! (Edge 2021)
Haley noticed a small spot on her skin that turned out to be skin cancer. Which treatment is her doctor most likely to use?
A) Brachytherapy
B) Superficial external beam radiation therapy
C) Radiopharmaceuticals
D) High Intensity Focused Ultrasounds
Answers
B) Superficial External bean Radiation Therapy.
Explanation:
Surgery, radiation, chemotherapy and hormone therapy can all be used to relieve signs and symptoms. Medications may relieve symptoms such as pain and shortness of breath. Palliative treatment can be used at the same time as other treatments intended to cure your cancer.
The treatment most likely to use is Superficial External bean Radiation Therapy. Then the correct option is B.
What is the electromagnetic spectrum?The electromagnetic spectrum consists of the range of all types of EM radiation. Radiation is a packet of energy that travels and spreads out.
It has radio waves, infrared waves, visible light waves, ultraviolet rays, and microwaves.
They possess high energy even to penetrate deep within the material. the electromagnetic spectrum has a longer wavelength and less frequency.
Haley noticed a small spot on her skin that turned out to be skin cancer.
Surgery, radiation, chemotherapy, and hormone therapy can all be used to relieve signs and symptoms.
Medications may relieve symptoms such as pain and shortness of breath. Palliative treatment can be used.
The treatment most likely to use is Superficial External bean Radiation Therapy.
Then the correct option is B.
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The "Tragedy of the Commons" describes the conflict between a. Developing and developed nations. b. Individuals and society. c. Farmers and industrialized society. d. Canada and Mexico.
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A force of 6.0 N gives a 2.0 kg block an acceleration of 3.0
m/s² to the right.
The force of friction acting on the block is
N.
Answers
Sound energy travels through matter in waves. Do sound waves travel
faster through air or water? Explain your answer.
Answers
Answer:
So I think that the sound waves travel faster through water than air.
Explanation:
And the explanation would be that sound travels faster in more denser substances like water.
1. If all four switches below are turned on, which light bulb will light up? (W is wood, S is silver, and Yis yarn.)
A.Circuit A
B. Circuit B
C. Circuit C
D. Circuit D
Answers
The correct option is option (c).
The bulb in the circuit C will glow up.
Complete circuit:We know that for the light bulb to glow up, there must be finite current flowing in the circuit through the bulb.
But, for the current to flow in the circuit, first, the circuit must be complete.
As we can see in the figure provided in the question, circuit A is not complete, whereas circuit B, C, and D are complete. So from here we can reject the circuit A.
Now, the circuit B contains wood, circuit C contains silver and circuit D contains yarn. Only silver is an electrical conductor.
Therefore, circuit C is complete and current will flow through the bulb and it will glow up.
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Is telekinesis real??? I really wanna start learning it!
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Answer:
Highly doubt something that requires great focus and mental strength exists
On a summer day, Thomas is standing in his driveway waiting for his mother. Energy from the Sun is making Thomas feel hot. This energy is being transmitted by three different methods. Which of the following is an example of convection?
Answers
Answer:
A. Energy streaming through space toward Thomas
Explanation:
its correct did it on a test
HELP PLEASE : )
IT'S SCIENCE
Answers
Answer:
1. A and C are balanced forces as all the forces get cancelled by the opposite and equal force.
2. B and D as in B the Net force is 5N to the right and in D the Net force is 20N to the right.
3. This would be all the unbalance forces which are B and D
4. B would be moving 5N to the right and D would move 20N to the right.
5). A body of mass 75kg lying on a surface of
μ = 0.4 move in the direction of a horizontal force
of 300N applied to it.
a). Calculate the
i). friction force
ii). acceleration of the body
b). Explain the result in aii).
Answers
Explanation:
a) i) Calculation of the friction force:
The friction force can be determined using the equation:
friction force = coefficient of friction * normal force
The normal force is equal to the weight of the object, which can be calculated as:
normal force = mass * gravitational acceleration
where the gravitational acceleration is approximately 9.8 m/s².
normal force = 75 kg * 9.8 m/s² = 735 N
friction force = 0.4 * 735 N = 294 N
ii) Calculation of the acceleration of the body:
Now, we can calculate the acceleration using Newton's second law:
net force = mass * acceleration
Since the applied force and the friction force act in opposite directions, the net force can be calculated as:
net force = applied force - friction force
net force = 300 N - 294 N = 6 N
mass = 75 kg
6 N = 75 kg * acceleration
acceleration = 6 N / 75 kg = 0.08 m/s²
b) Explanation:
In part (a), we calculated the friction force to be 294 N and the acceleration of the body to be 0.08 m/s². The positive acceleration indicates that the body is moving in the direction of the applied force.
The friction force opposes the motion of the body and acts in the opposite direction to the applied force. In this case, the applied force of 300 N is greater than the friction force of 294 N. As a result, the net force acting on the body is 6 N in the direction of the applied force.
The small net force of 6 N, compared to the body's mass of 75 kg, results in a relatively low acceleration of 0.08 m/s². This indicates that the body will accelerate slowly in the direction of the applied force due to the presence of friction.
Overall, the friction force and the resulting acceleration of the body are determined by the coefficient of friction (μ) and the mass of the object. In this case, the body experiences a relatively high friction force, leading to a small acceleration.