The use of photoelectric cells in cinema depends upon the fact that the number of electrons produced in proportional

Options :
  1. directly to the wavelength
  2. inversely to the wavelength of light
  3. to the intensity of light
  4. to the charge of electrons
Answer and Explanation :-

Answer: Option 3

Explanation:

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I pondered all these things, and how men fight and lose the battle, and the thing that they fought for comes about in spite of their defeat, and when it comes turns out not to be what they meant, and other men have to fight for what they meant under another name.
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