Home
Class 12
PHYSICS
Consider the following statements A and ...

Consider the following statements A and B and indetify the corrent choice in the given answers.
A Thigtly bound electrons of target material scatter X-rays photon ,resulting in the Compton effect.
B Photoelectric effect takes place in free electrons

A

Both A and B are true

B

A is true but B is false

C

A is false but B is true

D

Both A and B are fasle

Text Solution

Verified by Experts

The correct Answer is:
A
A: Scattering of X-ray photon from thightly bound electrons results in Compton effect.
B: photoelectric effect cannot take place without free electrons.
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY AND ALTERENATING CURRENT

    SIA PUBLICATION|Exercise MCQ|57 Videos

  • EAMCET -2016 (TS)

    SIA PUBLICATION|Exercise PHYSICS|7 Videos

Similar Questions

Explore conceptually related problems

Consider the following statements A and B, identify the correct choice in the given answers A. Lines spectra is due to atoms in gaseous state. B. Band spectra is due to molecules.

Consider the following statements A and B and identify the correct choice in the given answers . (A) Suceptibility of paramagnetic material does not depend upon temperature (B) Ferromagnetism is explained by domain theory

Consider the following statements. A, B and identify the correct choice in the given answers (A) Density of a nucleus is independent of its mass number (B) Beryllium is used as moderator in nuclear reactors

Consider the following statements A and B. Identify the correct choice in the given answer A. The refractive index of the extraordinary ray depends on the angle of incidence in the double refraction. B. The vibration of light waves acquire one sided ness of both ordinary and extraordinary rays in double refraction.

Consider the following two statements A and B and identify the correct choice in the given answers A. Paramagnetism is explained by domain theory. B. Susceptibility of a diamagnetic substance is independent of temperature.

Consider the following statement A and B and identify the correct choice of the given answer. A. The width of the depletion layer in a p-n junction diode increases in forward bias. B. In a intrinsic semiconductor the fermi energy level is exactly in the middle of the forbidden energy gap.

SIA PUBLICATION-DUAL NATURE OF RADIATION AND MATTER-MCQS
  1. Photoelectric emission is observed from a metallic surface for frequen...

    Text Solution

    |

  2. The De- Broglie wavelength of an electron having 80eV energy is nearly...

    Text Solution

    |

  3. Consider the following statements A and B and indetify the corrent cho...

    Text Solution

    |

  4. The X-ray wavelength of L(a)line of platinum (Z=78) is 1:30 Å.The X-ra...

    Text Solution

    |

  5. When a metal surface is illuminated by a light of wavelength 400nm and...

    Text Solution

    |

  6. The energy of an X-ray photon of wavelength 1.65Å is (h=6.6xx10^(-34)J...

    Text Solution

    |

  7. In a photoelectric experiment ,the maximum velocity of photoelectrons ...

    Text Solution

    |

  8. The photoelectric work function of a metal surface is 2eV.When light o...

    Text Solution

    |

  9. An the electron undeflected when passing perpen to mutually perpendicu...

    Text Solution

    |

  10. An electron beam is allowed to pass normally through megnetic and elec...

    Text Solution

    |

  11. In a photoelectric phenomenon, the number of photoelectrons emitted on

    Text Solution

    |

  12. According to the Moseley's law, the frequency of a spectral line in X-...

    Text Solution

    |

  13. The photoelectric work function for a metal surface is 4.125eV. The cu...

    Text Solution

    |

  14. The threshold wavelength for a certain metal is 2000 Å. The work funct...

    Text Solution

    |

  15. X-rays are a stream of

    Text Solution

    |

  16. A beam of charged particles of charge q and a mass m are accelerated f...

    Text Solution

    |

  17. Photon of energy 2.0 eV and wavelength lamdafall on a metal plate and ...

    Text Solution

    |

  18. Photoelectric current can be increased by using

    Text Solution

    |

  19. The speed of electrons in a cathode ray beam ,which remains undeflecte...

    Text Solution

    |

  20. If Planck's constant is given as 6.4xx10^(-34)Jand electron charge is ...

    Text Solution

    |