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Class 11 Physics Practice Test: Oscillations - Simple Harmonic Motion and Uniform Circular Motion
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Avg score: 73% Most missed: “The angular speed of a body in uniform circular motion is the same as the angula…”

Simple harmonic motion is a one-dimensional projection of this motion. Uniform circular motion occurs when a point P moves on a circular route with a constant angular velocity.

Class 11 Physics Practice Test: Oscillations - Simple Harmonic Motion and Uniform Circular Motion
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5 Questions

1. A ball is hanging from a thread. It is given some speed such that the ball makes a complete circle under the influence of gravity. The projection of the ball on the x-axis will be an SHM. True or False?
2. The angular speed of a body in uniform circular motion is the same as the angular frequency of SHM of its projection. True or False?
3. In the given phasor diagram what should be the minimum velocity of particle 2 at mean position so that it catches particle 1 before it reaches the extreme position? The projection of motion of particle 1 on x-axis is governed by the equation: x = 4sin(2t).
4. If a body in uniform circular motion covers the given angle in 0.5s, what is the time period of projection, on the x-axis, undergoing SHM? Assume it moves anti-clockwise.
5. A ball tied to the end of a string of length 10cm is rotated with constant speed of 2m/s in a circle about the origin. Find the equation of projection of the ball on the x-axis. At t=0, the ball makes an angle of 45° with the x-axis & is travelling in anticlockwise direction.