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Mention any one type of electron emissio...

Mention any one type of electron emission.

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Thermionic emission, Field emission, Photo electric emission.
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SUNSTAR PUBLICATION-II PUC PHYSICS (ANNUAL EXAM QUESTION PAPER MARCH - 2019)-PART - A
  1. For which position of the object magnification of convex lens is -1 (m...

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  2. For which angle of incidence reflected ray is completely polarised ?

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  3. Mention any one type of electron emission.

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  4. Write the expression for energy of an electron orbit of hydrogen atom.

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  5. Write the relation between Half-life of radioactive element.

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  6. Write any two basic properties of charges

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  7. Write the expression for drift velocity in terms of current and explai...

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  8. What are i. Magnetic declination ii. Magnetie dip iii. Horizonta...

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  9. Write the expression for speed of light in terms of mu(0) and epsilon(...

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  10. Write the ray diagram for formation of image in the simple microscope.

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  11. What is diffraction of light ?

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  12. Write the expression for de-Broglie wavelength of electrons interms of...

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  13. Distinguish between n-type and p-type semiconductos.

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  14. Derive an expression for electric potential energy of a systemm of cha...

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  15. Obtain an expression for the force between two straight parallel condu...

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  16. Distinguish between .dia. and .ferro. magnetic materials.

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  17. Mention the three types of energy loss in a transformer.

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  18. Write three experimental observation of photoelectric effect.

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  19. Write the three postulates of Bohr.s atomic model.

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  20. Explain the .Conduction band. .Valence band. and .Energy gap. in semi...

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