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  • Stuck here, help me understand: - Oscillations and Waves - JEE Main-3

A particle is oscillating according to the equation x = 7\cos0.5\pi t where t is in second. The point moves from the position of equilibrium to maximum diaplacement in time

 

 

  • Option 1)

    4.0\: s

  • Option 2)

    2.0\: s

  • Option 3)

    1.0\: s

  • Option 4)

    0.5\: s

 

Answers (1)

best_answer

From the given equation \omega = \frac{2\pi}{T} = 0.5\pi \Rightarrow T = 4 s

Time taken from mean position to the maximum displacement  = \frac{1}{4} T = 1s

 

Time Period -

Since all periodic motion repeat themselves in equal time interval. This minimum time interval is known as time period for oscillation.

- wherein

It is denoted by T.

 

 

 


Option 1)

4.0\: s

This is incorrect.

Option 2)

2.0\: s

This is incorrect.

Option 3)

1.0\: s

This is correct.

Option 4)

0.5\: s

This is incorrect.

Posted by

prateek

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