Question

A 5 watt source emits monochromatic light of
wavelength 5000 Å. 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 photo electrons
liberated will :

Answer 1

Answer:

When placed 0.5m away, it liberates photoelectrons from a photosensitive metallic surface. When the source is moved to a distance of 1.0m, the number of photoelectrons liberated will be reduced by a factor of. A .

Explanation:

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