Explain Doppler effect.Find an expression for the change in frequency.

Explain Tyndall effect.

What is Doppler's effect?Derive a general expression for the apparent frequency when both source and observer are in relative motion.

State Doppler's Effect.

State Doppler's Effect.

What is Doppler effect ?Derive expressin for apparent frequency when source is mving towards a stationary listener

Draw a graph showing the variation of stopping potential with frequency of incident raditions in relation to photoelectric effect. Deduce an expression for the slope of this graph using Einstein's photoelectric equation.