A sheet of silver is illuminated by monochromatic ultraviolet radiation of wavelength=`1,810 overset @A`.What is the maximum energy of the emitted electron? Threshold wavelength of silver is `2,460 overset @A`.

Calculate the photon energy in electron- volt for radiation of wavelength 1 metre.

Find the number of photon emitted per minute by 60 what lamp of monochromatic light of wavelength 5000 overset @A

What voltage must be applied to an electron microscope to produce electrons of wavelength 0.4 overset @A ?

What voltage must be applied to an elecron microscope to produce electrons of wavelength 0.4 overset @A ?

An X-ray tube produces a continuous spectrum of radiation with its short wavelength end at 0.45 oversetcircA . What is the maximum energy of a photon in the radiation.

A double slit is illuminated by light of wavelength 6,000 overset @A .The slits are 0.1 cm apart and the screen is placed on metre away.Calculate separation of the two adjacent imnima.

Angular width of centrl maximum in the Fraunhofer diffraction pattern of a slit is measured.The slit is iluminated by igth of wavelength 6,000 overset@A .When the slit is illuminated by light of another wavelength,the angular width decreases y 30%.Calculate the wavelength of this light. The same decrease in the angular width of centrl maximum is obtained ,when the original appartus is immersed in a liquid.Fin refractive index of the liquid.