Published by:
CGP EDU Academic Team
Published on: September 12, 2026
A monochromatic neon lamp with wavelength 670.5nm of illuminates a photo-sensitive material which has a stopping voltage of 0.48V. What will be the stopping voltage if the source light is changed with another source of wavelength of 474.6nm?
Text Solution
Verified by ExpertsThe correct answer is:
B
Or 
When 
When 
So, 
(2) – (1)
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