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Method of finding LCM

A p-n photodi...

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A p-n photodiode is made of a material with a band gap of 2.0 eV. The minimum frequency of the radiation that canbe absorbed by the material is nearly. [AIPMT (Prelims)-2008] (1)20 1014 Hz (2)10 1014 Hz (3)5 1014 Hz (4)1 1014 Hz

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Q. A p-n photodiode is made of a material with a band gap of 2.0 eV. The minimum frequency of radiation that can be absorbed by the material is nearly :

Q. A p-n photodiode is made of a material with a band gap of

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Q. The threshold frequency of a certain material is

3 \times 10^{14} Hz .

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Method of finding LCM

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