Question

A simple pendulum oscillates in the plane of a smooth wedge which moves with an acceleration (a = g tan θ). The period of the simple harmonic motion (SHM) is:
a) (2π √L/g)
b) (2π √L/g + tan θ)
c) (2π √L/g - tan θ)
d) (2π √L/g tan θ)