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a) white light falls normally on a transmission grating with 1000 lines per centimeter. At what angle will red light (650nm) emerge in the first order? At what angle will yellow light (550nm) emerge?
b) What are the dispersion D and resolving power R for the first and second order for both lines?
Define the frequency components of an AM signal and draw the AM signal for the given modulation index.
The period of a pendulum is proportional to the square root of its length. A 2.5 m long pendulum has a period of 3.0s
White light containing wavelengths from 405 nm to 760 nm falls on a grating with 8000 lines/cm. How wide is the first-order spectrum on a screen 2.20m away.
A speed ramp at an airport is basically a large conveyor belt on which you can stand and be moved along. The belt of one speed ramp moves at a constant speed such that a person who stands still on it leaves the ramp 66 s after getting on.
Find the gravitational pull between earth and the moon. Given, mass of earth = 5.97 * 10^24 kg, mass of moon = 7.35 8 10 kg,
A student drops two metallic objects into a 120-g steel container holding 150 g of water at 25°C. One object is a 230-g cube of copper that is initially at 85°C, What is the mass of the aluminum chunk
It is possible to calculate the maximum possible potential (relative to infinity) in air of a metal sphere of 19 cm radius. First, what is the most charge you can put on this sphere.
A total of 2.99·106 electrons are placed on an initially uncharged wire of length 2.25 m. a) What is the magnitude of the electric field a perpendicular distance of 0.494 m away from the midpoint of the wire? b) What is the magnitude of the accele..
How did Pavlov and Watson's focus on scientific inquiry of behaviours differ from earlier viewpoints of structuralisms, psychoanalysts, and functionalists.
find the period of this oscillation.
A 23 bullet traveling 240 penetrates a 4 block of wood and emerges going 170. If the block is stationary on a frictionless surface when hit, how fast does it move after the bullet emerges.
A freight company uses a compressed spring to shoot 1.7 kg packages up a 1m high frictionless ramp into a truck. The spring constant is 241 N/m and the spring is compressed 33 cm.
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