Home
Class 12
PHYSICS
Light of wavelength 3000Å is incident on...

Light of wavelength `3000Å` is incident on a metal surface whose work function is 1 eV. The maximum velocity of emitted photoelectron will be

A

`10ms^(-1)`

B

`10^(3)ms^(-1)`

C

`10^(4)ms^(-1)`

D

`10^(6)ms^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • NEET MOCK TEST 11

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos
  • NEET MOCK TEST 13

    NTA MOCK TESTS|Exercise MCQs (PHYSICS)|45 Videos

Similar Questions

Explore conceptually related problems

Ligth of wavelength 4000 Å is incident on a metal plate whose work function is 2 eV . What is maximum kinetic enegy of emitted photoelectron ?

The work function of metal is 1 eV . Light of wavelength 3000 Å is incident on this metal surface . The velocity of emitted photo - electrons will be

Light of wavelength 4000Å is allowed to fall on a metal surface having work function 2 eV. The maximum velocity of the emitted electrons is (h=6.6xx10^(-34)Js)

Light of wavelength 2000Å is incident on a metal surface of work function 3.0 eV. Find the minimum and maximum kinetic energy of the photoelectrons.

Light of waelength 4000Å is incident on a metal plate with work function 2eV. The max. K.E. of the photoelectrons is

Light of wavelength 500 nm is incident on a metal with work function 2.28 eV . The de Broglie wavelength of the emitted electron is

When the light of wavelength 400 nm is incident on a metal surface of work function 2.3 eV , photoelectrons are emitted. A fasted photoelectron combines with a He^(2+) ion to form He^(+) ion in its third excited state and a photon is emitted in this process. Then the energy of the photon emitted during combination is

The work function of a metal is 2.5 eV. Light of wavelength 3600 Å is incident on this metal surface. The velocity of emitted photoelectrons will be

NTA MOCK TESTS-NEET MOCK TEST 12-PHYSICS
  1. The amplitude of a simple pendulum is 10 cm. When the pendulum is at a...

    Text Solution

    |

  2. For a particle executing SHM, the kinetic energy (K) is given by K = K...

    Text Solution

    |

  3. Light of wavelength 3000Å is incident on a metal surface whose work fu...

    Text Solution

    |

  4. When light of wavelength 300 nm or less falls on aphotoelectric emitt...

    Text Solution

    |

  5. Flow rate of blood through a capillary of cross - sectional are of 0.2...

    Text Solution

    |

  6. The surface tension of a thin liquid film formed between a U shaped wi...

    Text Solution

    |

  7. A vessel contains oil (density =0.8gm//cm^3) over mercury (density =13...

    Text Solution

    |

  8. If a plane glass slab is placed on letters of different colours, then ...

    Text Solution

    |

  9. Moment of inertia of a uniform circular disc about a diameter is I. It...

    Text Solution

    |

  10. A uniform disk of mass 300kg is rotating freely about a vertical axis ...

    Text Solution

    |

  11. A transistor is used as a common emitter amplifier with a load resista...

    Text Solution

    |

  12. When LED is forward biased, then

    Text Solution

    |

  13. At what temperarture, the kinetic energy of a gas molecule is half of ...

    Text Solution

    |

  14. The volume of a metal sphere increases by 0.24% when its temperature i...

    Text Solution

    |

  15. The dimensions of a/b in the equation P=(a-t^(2))/(bx) where P is pre...

    Text Solution

    |

  16. In Young's experiment, monochromatic light is used to illuminate the t...

    Text Solution

    |

  17. An electromagnetic wave propagating along north has its electric field...

    Text Solution

    |

  18. A wave of frequency 500 Hz has velocity 360 m/sec. The distance betwee...

    Text Solution

    |

  19. A wave is represented by the equetion y=7 sin(7pi t-0.04pix+(pi)/(3))...

    Text Solution

    |

  20. Work down by static friction on an object :

    Text Solution

    |