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A ray of light strikes a flat block of glass (n = 1.53) of thickness 1.80 cm at an angle of 36.0° with the normal. Trace the light ray through the glass and find the angles of incidence and refraction at each surface.
angle of refraction at first surface °
angle of incidence at second surface °
angle of refraction at second surface °
a photocell that detects the amount of light transmitted through the finger at each wavelength. Identify the frequency of each of these light sources. If 66% of the energy of the red source is absorbed in the blood, by what factor does the amplitu..
A 5 m x 12 m swimming pool slopes linearly from a 1.20 m depth at one end to a 3.40 m depth at the other. What is the mass of water in pool.
A converging lens of focal length 18 cm is 30 cm to the left of a diverging lens of focal length - 6 cm. a coin is placed 12 cm to the left of the converging lens. Find (a) location and (b) magnification of the coin's final image.
A conducting bar rests on two parallel horizontal rails 50 cm apart forming a square area. The resistance of the bar and the rails is assumed to be constant and equal to 0.05 ??. What is the maximum value of the force acting on the bar during that ..
A positive charge of q1 is located 4.59 m to the left of a negative charge q2. The charges have different magnitudes. How far to the left of the negative charge is one spot
The springs of a 1100 kg car compress 4.5 mm when its 68 kg driver gets into the driver's seat. what will be the frequency of vibrations
Vector F= 3xi + 5j + 5z^2k. How much work is done in moving from r0=(0,0,0) to r1=(3,2,1)? how fast will the object be going
when light of a wavelength of 200 nm is incident on a surface, What is the work function of the surface
If a charge of 0.30 C passes through a person's chest in 1.0 s, If this rate of charge transfer persists for 4.4s, how many electrons pass through the chest
Sketch a sinusoidal wave with an amplitude of 1 cm and a wavelength of 7 cm. What is the amplitude of the sum of these waves
Tim walks half of the time and runs the other half. In terms of given quantities, in the special case that, what will be Tim's margin of victory.
A 0.200 kg hammer is moving horizontally at 8.50 m/s when it strikes a nail and comes to rest after driving it 1.00 cm into a board. Calculate the duration of the impact
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