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Why sin theta, cos theta are periodic fu...

Why sin `theta`, cos `theta` are periodic functions?

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Because `sin(theta + 2pin) =sin theta, cos (theta + 2pin) = cos theta` n = 1,2 ,3
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MODERN PUBLICATION-OSCILLATIONS -Revision Exercises (Very Short Answer Questions)
  1. PERIODIC FUNCTION

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  2. What do you mean by simple harmonic motion ?

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  3. Why sin theta, cos theta are periodic functions?

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  4. What is the direction of displacement in a simple harmonic motion ?

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  5. What is the direction of velocity in a simple harmonic motion ?

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  6. What is the basic condition for a motion to be simple harmonic ?

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  7. What is phase ? Discuss the phase relations between displacement, velo...

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  8. What is the phase relationship between diplacement, velocity and accel...

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  9. What is acceleration amplitude ?

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  10. When is a body said to be in neutral equilibrium ?

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  11. What do you mean by force constant of a body ?

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  12. At which position the potential energy of a harmonic oscillator is max...

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  13. At which position the kinetic energy of a harmonic oscillator is maxim...

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  14. Define simple pendulum.

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  15. How will you define length of the simple pendulum ?

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  16. The time period of a simple pendulum depends on its

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  17. What forces keep the simple pendulum in simple harmonic motion?

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  18. How time period of a simple pendulum depends on the acceleration due t...

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  19. The time period of a simple pendulum of infinite length is (R=radius o...

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  20. What is the time period of a simple pendulum if length of the pendulum...

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