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A photocell employs photoelectric effect...

A photocell employs photoelectric effect to convert

A

Change in the frequency of light into a change in the electric voltage

B

Change in the intensity of light into a change in photoelectric current

C

Change in the intensity of light into a change in work function of photocathode.

D

Change in the frequency of light into a change in electric current.

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • A photocell employs phto electric effect to convert :

    A
    change in the intensity of illumination into a change in photoelectric current .
    B
    change in the frequency of light into change in electric voltage .
    C
    change in the intensity of illumination into a change in the work function of the photo cathode.
    D
    change in the frequency of light into a change in the electric current .

  • By photoelectric effect, Einstein proved

    A
    `E = h upsilon`
    B
    `K.E. = (1)/(2) mv^(2)`
    C
    `E = mc^(2)`
    D
    `E = (-Rhc^(2))/(n^(2))`

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