Home
Class 12
PHYSICS
Photoelectric emission occurs only when ...

Photoelectric emission occurs only when the incident light has more than a certain minimum

A

Power

B

Wavelength

C

Intensity

D

Frequency

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • NTA NEET SET 58

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos
  • NTA NEET SET 60

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

In photoelectric effect, the electrons are ejected from metals if the incident light has a certain minimum.

The photoelectric emission from a surface starts only when the light incident upon the surface has certain minimum:

A certain element 'A' undergoes photoelectric emission when bombarded by one photon of indigo light. When the material containing the same element was bombarded by two photons of red light with a total of same energy as that of indigo photon, no electron was emitted. Explain.

Does the stopping potential in photoelectric emission depend upon the intensity of the incident radiation in a photo cell? Comment on it.

Derive de Broglie wave equation for material particles. (b) Why does photoelectric emission not take place if the frequency of incident radiation is less than threshold frequency ?

In a photoelectric experiment increasing the intensity of incident light

NTA MOCK TESTS-NTA NEET SET 59-PHYSICS
  1. The following fusion reaction take place 21^2Ararr2^3B+n+3.27 MeV. If...

    Text Solution

    |

  2. A man measures the period of a simple pendulum inside a stationary lif...

    Text Solution

    |

  3. Photoelectric emission occurs only when the incident light has more th...

    Text Solution

    |

  4. Torricelli's barometer used mercury. Pascal duplicated it using French...

    Text Solution

    |

  5. An object is placed at a distance of f/2 from a convex lens of focal l...

    Text Solution

    |

  6. On the application of a constant torque , a wheel is turned from rest ...

    Text Solution

    |

  7. R.M.S. velocity of oxygen molecules at N.T.P is 0.5 km.ls. The R.M.S v...

    Text Solution

    |

  8. A 5.5 m length of string has a mass of 0.035 kg. If the tension in the...

    Text Solution

    |

  9. A force F is related to the position of a particle by the relation F=(...

    Text Solution

    |

  10. In a Fraunhofer diffraction at a single slit, if yellow light illumina...

    Text Solution

    |

  11. The angular speed of second hand in a watch is

    Text Solution

    |

  12. A simple pendulum of length 'L' has mass 'M' and it oscillates ...

    Text Solution

    |

  13. Two inductors each of inductance L are connected in parallel. One more...

    Text Solution

    |

  14. Two like charges of magnitude 1xx10^(-9) coulomb and 9xx10^(-9) coulo...

    Text Solution

    |

  15. Acceleration due to gravity is ‘ g ’ on the surface of the earth. The ...

    Text Solution

    |

  16. An ideal gas is taken around the cycle ABCA as shown in P-V diagram. T...

    Text Solution

    |

  17. The percentage change in internal energy, when a gas is cooled from 92...

    Text Solution

    |

  18. A proton and a deuteron with the same initial kinetic energy enter a m...

    Text Solution

    |

  19. A projectile is given an initial velocity of (hat(i)+2hat(j)) The Car...

    Text Solution

    |

  20. For a substance the average life for alpha-emission is 1620 years and ...

    Text Solution

    |