Home
Class 10
PHYSICS
The free electrons of a metal...

The free electrons of a metal

A

do not collide with each other

B

are free to escape through the surface

C

are free to fall into the nuclei

D

are free to move anywhere in the metal

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ELECTRICITY

    ZEN PUBLICATION|Exercise ZEN ADDITIONAL QUESTIONS SECTION (LONG ANSWER QUESTIONS)|30 Videos
  • LIGHT - REFLECTION AND REFRACTION

    ZEN PUBLICATION|Exercise ZEN ADDITIONAL QUESTIONS SECTION (LONG ANSWER [LA] QUESTIONS)|30 Videos

Similar Questions

Explore conceptually related problems

When electrons drift in a metal from lower to higher potential, does it mean that all the free electrons of the metal are moving in the same direction?

The path of a free electron in a metal is

Light of wavelength 2000 Å can just eject electrons from a metal surface. Calculate the work function of the metal.

Emission of electrons from a metal surface due to incident radiation is called

Compute the typical de Broglie wavelength of an electron in a metal at 27^(@)C and compare it with the mean separation between two electrons in a metal which is given to be about 2 xx 10^(-10) m.

The work function of a metal is 3.3 xx 10^-19 J . The maximum wavelength of the photons required to eject electron from the metal is :

In the n -type semiconductor the number density of free electrons is of the order of :

ZEN PUBLICATION-ELECTRICITY-ZEN ADDITIONAL QUESTIONS SECTION (MULTIPLE CHOICE QUESTIONS)
  1. When a fuse is rated 8 A, it means

    Text Solution

    |

  2. The work done in moving a unit positive charge across two points in an...

    Text Solution

    |

  3. The potential at a point is 20 V. The work done to bring a charge of 0...

    Text Solution

    |

  4. The free electrons of a metal

    Text Solution

    |

  5. The path of a free electron in a metal is

    Text Solution

    |

  6. When there is an electric current passing through a wire, the particle...

    Text Solution

    |

  7. A positive charge released from rest

    Text Solution

    |

  8. Three equal resistances when combined in series are equivalent to 90Ω....

    Text Solution

    |

  9. For which of the following substances, resistance decreases with incre...

    Text Solution

    |

  10. Two electric bulbs have resistances in the ratio 1 : 2. If they are jo...

    Text Solution

    |

  11. Among the following statements. 1. A discharge lamp uses a discharge...

    Text Solution

    |

  12. Among identical spheres A and B having charges as – 5 and - 16 C

    Text Solution

    |

  13. Keeping the potential difference constant, the resistance of a circuit...

    Text Solution

    |

  14. The resistance of a conductor is 27Omega. If it is cut into three equa...

    Text Solution

    |

  15. A piece of metallic wire of resistance R is cut into 3 equal parts. Th...

    Text Solution

    |

  16. An electric kettle for use on a 230 V supply is rated at 3000 W. For s...

    Text Solution

    |

  17. At a given time, a house is supplied with 100 A at 220 V. How many 75 ...

    Text Solution

    |

  18. If the potential difference between the ends of a fixed resistor is ha...

    Text Solution

    |

  19. The heat produced in a wire of resistance 'X' when a current 'Y' flows...

    Text Solution

    |

  20. If the current flowing through a fixed resistor is halved, the heat pr...

    Text Solution

    |