For the following questions answer them individually
By increasing the intensity of incident light on the surface, the photo electric current
The Phenomenon of light splitting into seven distinct colours when it passes through prism is
A block placed on an inclinedc plane of slope angle $$\theta$$ slides down with a constant speed. The coefficient of kinetic friction is equal to
A plumb bob is hanging from the ceiling of a car. If the car moves with an acceleration a, the angle made by the string with the vertical is