A 5 watt source emits monochromatic light of wavelength 5000

Last updated: 6/10/2023

A 5 watt source emits monochromatic light of wavelength 5000 When placed 0 5 m away it liberates photoelectrons from a photosensitive metallic surface When the source is moved to a distance of 1 0 m the number of photoelectrons liberated will be reduced by a factor of 2007 a 8 b 16 c 2 d 4