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The threshold wavelength for photoelectr...

The threshold wavelength for photoelectric emission for a material is `5200 A^(@)`. Will the photoelectrons be emitted when this material is illuminated with monochromatic radiation from 1 watt ultra violet lamp?

A

50 watt infrared lamp

B

1 watt infrared lamp

C

50 watt ultraviolet lamp

D

1 watt ultraviolet lamp

Text Solution

Verified by Experts

`lambda = 5200 Å`
wavelength range for ultraviolet is less than 5200 Å and for infrared is greater than 5200 Å
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