The time period of a second rsquo s pendulum will decrease if mdash 1 its length incr...........

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The time period of a second’s pendulum will decrease if—

1. its length increase

2. it is taken at high altitudes

3. it is taken an large depth

Which of the above statements is correct?Choose the correct option from the given Codes—

1 only

2 only

3 only

none of these

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Explanation:

The time period of second pendulum ,directly proportional to length (L) and inversely proportional to g(acceleration due to gravity),so when length increase time period will increase ,In depth or at high altitude g will decrease so time period will increase .