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Consider the 4-f system below where an object is placed at the input plane and is illuminated by a plane wave
The object to the right is placed in the input plane where black blocks light and white passes light. The outer black extends to infinity. The lines are infinitely thin and are spaced a distance b apart. The object is centered on the z axis.
A concave lens when given in air has a focal length of 0.4 m and has a refractive index of 3/2. Evaluate its focal length when immersed in water of refractive index 4/3?
Adding 2 Vectors An easy demonstration of adding 2 vectors graphically. Also demonstrates in which vector addition is commutative.
Q. Transformation of kinetic energy to potential energy? A tiny ball at the end of string is swung in a circular vertical loop. The speed of rotation is reducing to the point t
how to find the direction of torque
Can any heat exist without some source of friction?
Explain Simple Pendulum Simple Pendulum : The A point mass suspended by a weight less and inextensible string to a friction less support is known as a Simple pendulum.
Light is shined into a glass rod. To guarantee the total internal reflection (TIR) happens to all the possible rays, what is the minimum index of refraction n for the glass?
what is the physical significance of damping coefficient?
Explain New Terms for Describing Motion As mentioned in the last chapter, the mass of a cannonball is a measure of the amount of matter (in kilograms) that would balance agains
why is the sky blue?
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