Test Index

AIPMT 2007 Physics and Chemistry Paper

© examsnet.com

Question : 39

Total: 100

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

be reduced by a factor of 2
be reduced by a factor of 4
be reduced by a factor of 8
be reduced by a factor of 16

Go to Question:

Prev Question

Next Question