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12th Standard English Medium Physics Subject Book Back 2 Mark Questions with Solution Part - I

12th Standard

    Reg.No. :
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Physics

Time : 01:00:00 Hrs
Total Marks : 30

    Part I

    15 x 2 = 30
  1. Write down Coulomb’s law in vector form and mention what each term represents.

  2. Write a short note on superconductors?

  3. Define ampere.

  4. What is meant by mutual induction?

  5. What is principle of reversibility?

  6. Why does sky look blue and clouds look white?

  7. Define work function of a metal. Give its unit.

  8. Write the relationship of de Broglie wavelength λ associated with a particle of mass m in terms of its kinetic energy K.

  9. Write a general notation of nucleus of element X. What does each term denote?

  10. Give the symbolic representation of alpha decay, beta decay and gamma decay.

  11. What is Rayleigh's scattering?

  12. Differentiate between Fresnel and Fraunhofer diffraction.

  13. What is angle of polarisation and obtain the equation for angle of polarisation.

  14. Define electron motion in a semiconductor.

  15. What is mobile communication?

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