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Explain power of a lens. What is the principle of an optical fibre? What is a thin prism? Describe angular dispersion between two colours for a prism.
A helicopter is ascending vertically with a constant speed of 6 meters per second relative to the ground. At the instant the helicopter is 60 meters above the ground it releases a
Can you differentiate between half wave plate and full wave plate?
LECTURE NOTES ON ANGULAR VELOCITY
Sol: The incident angle is 45 because the angle of reflection and angle of incident is equal.
What do you understand by "Absorption coefficient"? which is a better absorber of sound, glass or fibre glass?
Can you explain lens maker's formula. Derive the mathematical expression for the effective focal length of two thin lenses in contact.
A ball moving with speed v collides with a horizontal smooth surface at an angle ? with normal to surface in the figure. If coefficient of restitution is ‘e’ , then find VELOCITY a
The substances which acquire charges on rubbing are said to be charged. The electricity produced by friction is called Frictional force. If the charges do not move, then the frict
Define Heat Capacity Ratio? To find C p /C v of a gas, one occasionally uses the following method. A certain amount of gas with preliminary temperature T 0 pressure P 0 and
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