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Select the correct statements. (i) A s...

Select the correct statements.
(i) A simple harmonic motion is necessarily periodic
(ii) A simple harmonic motion is necessarily oscillatory
(iii) An oscillatory motion is necessarily periodic
(iv) A periodic motion is necessarily oscillatory

A

(i), (ii)

B

(i), (iii)

C

(ii), (iii)

D

(i), (iv)

Text Solution

Verified by Experts

The correct Answer is:
A
Due to damping, time period of oscillatory motion decreases.
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Knowledge Check

  • In simple harmonic motion

    A
    Potential energy and kinetic energy may not be equal in mean position.
    B
    potential energy and kinetic energy may be equal in extreme position
    C
    potential energy may be zero at extreme position
    D
    kinetic energy plus potential energy oscillates simple harmonically.

  • In a simple harmonic motion

    A
    the maximum potential energy equals the maximum kinetic energy
    B
    the minimum potential energy equals the minimum kinetic energy
    C
    the minimum potential energy equals the maximum kinetic energy
    D
    the maximum potential energy equals the minimum kinetic energy.

  • In a simple harmonic motion

    A
    the potential energy is always equal to the kinetic energy
    B
    the potential energy of is never equal to the kinetic energy
    C
    the average potential energy in any time interval is equal to the average kinetic energy in that time interval
    D
    the average potential energy is one time period is equal to the averge energy is this period

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