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Monochromatic light of wavelength lambda...

Monochromatic light of wavelength `lambda` strikes a metal surface with intensity 'a' emitting 'b' electrons per second with 'c' as the maximum kinetic energy of electrons .Which of the following options will happen if 'a' is halved without changing wavelength and area of exposure?

A

Photo emission will stop.

B

New maximum kinetic energy will be same as 'c'

C

Number of photoelectrons emitted per second will be less than 'b'

D

Rate at which charge will be acquired on metal will decrease.

Text Solution

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The correct Answer is:
B, C, D
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Knowledge Check

  • Light of wavelength lambda strikes a metal surface with intensity X and the metal emits Y electrons per second of average energy Z . What will happen to Y and Z if X is havled?

    A
    T will be halved
    B
    Y will double
    C
    Y will be remain same
    D
    Z will be halved

  • Let of waveldnth lamda shines on a metal surface with intensity x and the metal emits Y electrons per second of average energy, Z. What will happen to Y and Z if x is doubled?

    A
    Y will be doubled and Z will become half
    B
    Y will remain same and Z will be doubled
    C
    Both Y and Z will be doubled.
    D
    Y will be doubled but Z will remain same

  • In photoelectric effect the maximum kinetic energy of electrons emitted from the metal surface depends upon

    A
    intensity of incident radiation
    B
    frequency of incident radiation
    C
    speed of incident radiation
    D
    both intensity and frequency of incident radiation
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