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utkarsh bansal from Spring Fields Public School, Yamunanagar

Subject :Physics Class : Class 8

Time taken for 10 oscillation of a body is 20 second, then time period of the body is

A 1 second
B 2 second
C 3 second
D 4 second

according to me its answer is 2 sec,how is 4 sec?

Ans 1:

anam fatema from sana international school, nanded

Class : >Class 8

b 2 seconds