Q.

One end of a helical spring is fixed while the other end carries the load W which moves with simple harmonic motion. The frequency of motion is given by (where δ = Deflection of the spring.)

• A2π. √(g/δ)
• B1/2π. √(g/δ)
• C2π. √(δ/g)
• D1/2π. √(δ/g)