Stopping potential for a metal surface in case of photoelectric emission depends on_____________?

Related Mcqs:

An observer shoots parallel to a meter stick at very high (relativistic) speed and finds that the length of meter stick is________________?

A. greater than one meter B. less than one meter C. one meter D. a foolish question...

Tick the right statement?

A. no photo electronic emission takes place if the frequency of radiation however intense it may be is less than a certain critical value called threshold frequency B. threshold frequency depends upon the nature of the metal surface C. maximum energy of a photoelectron is a function of frequency rather than intensity of radiation D. … Tick the right statement?Read More...

A photon is________________?

A. A unit of energy B. A positively charged particle C. A quantum of electromagnetic radiation D. A unit of wavelength...

Which one of the following has the largest energy content ?

A. 103 photons of wavelength 2 pm (γ-rays) B. 102 photons of wavelength 1nm (x-rays) C. 106 photons of wavelength 50?m (infrared) D. 106 photons of wavelength 200nm (UV)...

The energy radiated is directly proportional to the fourth power of Kelvins temperature is________________?

A. Karl-Weins law B. Rayleigh-Jeans law C. Stephens law D. Plancks...