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The collector of the photocell (in photo...

The collector of the photocell (in photoelectric experiment ) is made of tungsten while the emitter is Platinum having work function of `10 eV`.Monochromatic radiation of wavelength `124 Å` & power `100 ` watt is incident on emitter which emits photo electrons with a quantum efficiency of `1%`.The accelerating voltage acros the photocell is of `10,000` volts (Use: `hc=12400eV Å`)
The minimum wavelength of radiation coming from the tungsten target (collector) is

A

124 Å

B

1.24 Å

C

1.23 Å

D

12.3 Å

Text Solution

Verified by Experts

The correct Answer is:
C
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