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For a particle executing SHM, which of t...

For a particle executing SHM, which of the following statements does not hold good ?

A

the total energy of the particle always remains the same

B

the restoring force is always directed towards a fixed point

C

the restoring force is maximum at the extreme positions

D

the velocity of the particle is minimum at the centre of motion of the particle

Text Solution

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The correct Answer is:
D
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Knowledge Check

  • For a particle executing S.H.M. which of the following statements holds good :

    A
    The mechanical energy of particle remains constant
    B
    The restoring force is always directed towards a fixed point
    C
    The velocity is minimum at the equilibrium position
    D
    The restoring force is maximum at the extreme position

  • If y, v and a represent displacement velocity and acceleration at any instant for a particle executing SHM, which of the following statements are true?

    A
    v and y may have same direction.
    B
    v and a may have same direction.
    C
    a and y may have same direction.
    D
    a and v may have opposite direction.

  • Which of the following statements does not hold true for restriction enzyme ?

    A
    It recongnises a palindromic nucleotide sequence
    B
    It is an endonuclease.
    C
    It is isolated from viruses
    D
    It produces the same kind of sticky ends in different DNA molecules

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    Which of the following statements does not hold true for restriction enzyme?

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    Which one of the following does not hold good for S.H.E?

    Which one of the following does not hold good for S.H.E?

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