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Unpolarized light is passing through three successive polarizers placed one after the other. Polarizing axis of Polarizer 1 is vertically arranged i.e. polarizing axis is making 0 degree angle with vertical axis. Next polarizers, Polarizer 2 and Polarizer 3 are placed in such a way that their polarizing axis are making 30 and 90 degree angle with vertical axis respectively.
(a) Find the intensity of light coming out of 3rd polarizer. And
(b) show what will happen if second polarizer is removed. (intensity of incident unpolarized light as 1 unit)
A brick is originally 12.10 cm high and an aluminium can is initially 12.11 cm high. By how much should their temperatures be raised in order for the brick and the can to have exactly the same height?
A 62.5 kg person holding two 0.800 kg bricks stands on a 2.15 kgskateboard. What is the final speed of the person and theskateboard relative to the ground
The automobile afterwards undergoes a uniform acceleration of -4 m/s2 because of a red light and comes to rest. It remains at rest for 54.6s and next accelerates back to a speed of 25.6m/s at a rate of 2.85m/s2.
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a piano string is under a tension of t 778n. when struck the wave has a period of t 0.6ms and a wavelength of
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A particle is projected on a frictionless surface in their direction at a speed of v = 10 m/s. It bounces off of a moving block that's moving at a constant speed of = 5 m/s. The coefficient of restitution between theparticle and block is e = 0.84. So..
an 97.6 g lead ball is dropped from rest from a height of 4.57 m. the collision between the ball and the ground is
A series RCL circuit driven at angular frequency %u03C9 = 505 rad/s has a capacitive reactance XC = 851 %u03A9, What is the total impedance
Consider an infant who weighs 100 newtons. During each year she grows so that each dimension of her body increases by 5%. How much would she weigh then.
A rectangular slab (43m x 12m x 2.5m) of slate rests on a 26 degree incline. The density of the slab is 3.2 x 10^3 kg/m^3. The coefficient of static friction between the slab & the plane is 0.36. Calculate the component of the slab's weight acting ..
Light of wavelength 480 nm in air falls ontwo slits 6 * 10^-2 mm apart. How far apart are the fringes on the screen
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