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The collecter of the photocell (in photo...

The collecter of the photocell (in photoelectric experiment ) is made of tugsten while the emitter is Platinum having work function of `10 eV`.Monochromotic 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`)
What is the power supplied by the accelerating voltage source.

A

100 watt

B

10 watt

C

0.1 watt

D

1 watt

Text Solution

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The correct Answer is:
A
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