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ICSE Class 9 Answered

Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
answered-by-expert Expert Answer

(a) A pendulum which has a time period of 2 s is called a second's pendulum. Its effective length is 1 m.

(b) The time period increases on the surface of the moon.

It is because Thus, as 'g' on moon decreases, time period increases.

Answered by | 04 Jun, 2014, 03:23: PM
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