Sound WavesHard
Question
If the time period of oscillation of mass m suspended from a spring is 2sec, the time period of mass 4m will be:
Options
A.2 sec
B.3 sec
C.4 sec
D.T sec
Solution
T = 2π 
⇒ 2 = 2π
T′ = 2p
⇒ T′ = 2 × 2
T′ = 2 × 2 = 4 sec
⇒ 2 = 2π T′ = 2p
⇒ T′ = 2 × 2 T′ = 2 × 2 = 4 sec
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