Statement I: Some photographic plates are not affected by red light but are immediately blackened by white light.
Statement II: The wavelength of red light is less than the wavelength of many components of white light.
In the light of the above statements, choose the most appropriate answer from the options given below.
Text Solution
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Statement I is correct but Statement II is incorrect.
The energy of red light photon is less than the work function of photographic plate, while the energies of many components of white light such as blue, violet etc., are more than the work function of photographic plate. Infact different photographic plates are used for different regions of spectra.
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