1.Why do jewelers often examine diamonds in day light rather than with indoor light ?
2. Explain why the existence of cutoff frequency in the photoelectric effect more strongly favors a particle theory than a wave theory of light?
3. Darkroom for developing black and white film are sometimes lit by red bulb ? Why red?
4. If an xray photon is scattered by an electron, does its wavelength change? if so, does it increase or decrease?
5. In both photoelectric effect and in the Crompton effect we have a photon colliding with an electron causing the electron to fly off. What then is the difference between the two processes???
