Questions
If the frequency of incident light is tripled, the stopping potential will
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a
be tripled
b
become one third
c
become more than triple
d
become less than triple but more than double
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Correct option is C
eV= h(ν - ν0)When frequency of incident light in tripled,eV'= h(3ν - ν0)= h(ν- ν0) + 2hν= eV + 2hνSince hν > eVThus, V'> VSimilar Questions
The work functions of three metals A,B and C are WA, WB and WC respectively. They are in the decreasing order. The correct graph between stopping potential V0 and frequency V of incident radiation is
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