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Which one of the following is true in ph...

Which one of the following is true in photoelectric emission

A

Photoelectric current is directly propotional to the amplitude of light of a given frequency

B

Photoelectric current is directly proportional to the intencsity of light of a given frequency at moderate intensities.

C

Above the threshold frequency, the maximum K.E. of photoelectrons is inversely proportional to the frequency of incident light

D

The threshold frequency depends upon wavelength of incident light.

Text Solution

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The correct Answer is:
A
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    B
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    D
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    A
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    B
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    C
    For third order reaction, the product of `t_(1//2)` and initial concentration (a) is constant.
    D
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  • Which one of the following is not true?

    A
    `A - B sube A`
    B
    `B' - A' sube A`
    C
    `A sube A - B`
    D
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