Q.

Period of simple harmonic motion of a spiral spring or elastic thread is given by

A. T = 2π × (extension produced/gravitational field strength
B. T = 2π × (extension produced/√(gravitational field strength
C. T = 2π × (√(extension produced)/gravitational field strength
D. T = 2π × √(extension produced/gravitational field strength
Answer» D. T = 2π × √(extension produced/gravitational field strength
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