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To double the period of oscillation of a simple pendulum with small Swings:

AIts length should be quadrupled

BThe mass of the bob should bequadrupled

CIts length should be doubled

DThe mass of the bob should be doubled

Answer:

A. Its length should be quadrupled


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Montreal Protocol came into force in ________

Read the given statement and conclusions carefully and decide which of the conclusions logically follow(s) from the statement.

Statement:

Sama Veda is believed to be written around 200 BC.

Conclusions:

I. Sama Veda is one of the oldest books in history.

II. Sama Veda is the oldest book in history