Home
Class 12
PHYSICS
Cesium shows photoelectric effect with v...

Cesium shows photoelectric effect with visible Iight while zinc shows the effect with ultraviolet light. Does this mean that cesium will not show the effect with ultraviolet light and zinc with visible light. Explain.

Promotional Banner

Topper's Solved these Questions

  • MODEL PAPER SET-08

    UNITED BOOK HOUSE|Exercise EXERCISE|59 Videos

  • MODEL PAPER SET-10

    UNITED BOOK HOUSE|Exercise EXERCISE|53 Videos

Similar Questions

Explore conceptually related problems

Photoelectric effect proves that light is—

Which one shows +I effect

Enegy associated with X-rays is higher than that of visible light-explain.

Genes showing multiple effects are

‘The energy of x-Ray is greater than visible light’— explain.

Which is the most effective wave length of light for photosynthesis ?

An organ where a hormone shows its effect is called

Most effective wavelength of light for photosynthesis is

Which of the following will show Tyndall effect-

UNITED BOOK HOUSE-MODEL PAPER SET-09-EXERCISE
  1. Out of ammeter, voltmeter and galvanometer, which one has the lowest r...

    Text Solution

    |

  2. Find the angular momentum of the electron revolving in second excited ...

    Text Solution

    |

  3. Show that for a given incident ray, if the mirror is rotated by an ang...

    Text Solution

    |

  4. Can a ‘total reflecting prism’ be made of ice (R.I.1.3) for deviating ...

    Text Solution

    |

  5. Find the ratio of intensities at two points on a screen in young’s dou...

    Text Solution

    |

  6. Find the ratio of intensities at two points on a screen in young’s dou...

    Text Solution

    |

  7. Cesium shows photoelectric effect with visible Iight while zinc shows ...

    Text Solution

    |

  8. How many quanta of different energy can beemitted by a Hydrogen atom i...

    Text Solution

    |

  9. Calculate the minimum wavelength of x-ray produced by on X-ray tube op...

    Text Solution

    |

  10. Explain two characteristics features of nuclear force which distinguis...

    Text Solution

    |

  11. Distinguish between extrinsic and intrinsic semi-conductors.

    Text Solution

    |

  12. How will you use p-n-junction diode as full wave rectifier?

    Text Solution

    |

  13. Find the r.m.s. value of alternating current over a complete cycle.

    Text Solution

    |

  14. Derive and expression for electric field at a distance r from the cent...

    Text Solution

    |

  15. Three point charges q, 2q and 3q are placed at the vertices of an equi...

    Text Solution

    |

  16. Discuss the working Principle of Wheat stone bridge. Explain with diag...

    Text Solution

    |

  17. Discuss the difference between ammeter and voltmeter. Draw a circuit d...

    Text Solution

    |

  18. Two wires X and Y have same length of 44 cm and carry a current of 10A...

    Text Solution

    |

  19. Deduce an expression for mean value of current over a half cycle in an...

    Text Solution

    |

  20. A ray of monochromatic light enters a prism of angle 'A’ at grazing in...

    Text Solution

    |