For certain photosensitive material, a s...

For certain photosensitive material, a stopping potential of `3.0 V` is required for light of wavelength `300nm`, `2.0V` for `400nm` and `1.0V` for `600nm`. The work function of the material is `(nearly)

2.5 eV

1.5 eV

2.0 eV

1.0 eV

Text Solution

Verified by Experts

`V,e=hv-w=(12400)/(lambda "in" A_(0))-w , w = 1ev`

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