1.

Assertion : For a simple pendulum performing oscillation , the tension in its strings is constant for all position of the job . Reasion : The speed of job is different at different position which gives different values of tension in the string at different positions

Answer»

If the assertion and reason are CORRECT and reason is a correct EXPLANATION of the assertion
If both assertion and reason are correct but reason is not the correct explanation of assertion
If assertion is correct but reason is incorrect
If both assertion and reason are incorrect

Solution :The tension in the string of an oscillating pendulum of length l is given by
`T = MG cos theta = (MV^(2))/(l)`
where v is the period when sring MAKES an angle `theta` with the vertical.


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