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12th Standard English Medium Physics Subject Dual Nature of Radiation and Matter Book Back 2 Mark Questions with Solution Part - I Question Bank Software May-31 , 2021

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12th Standard English Medium Physics Subject Dual Nature of Radiation and Matter Book Back 2 Mark Questions with Solution Part - I

12th Standard English Medium Physics Subject Dual Nature of Radiation and Matter Book Back 2 Mark Questions with Solution Part - I

12th Standard

    Reg.No. :
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Physics

Time : 00:30:00 Hrs
Total Marks : 10

    Part I

    5 x 2 = 10

  1. Why do metals have a large number of free electrons?

  2. What is photoelectric effect?

  3. Give the definition of intensity of light according to quantum concept and its unit.

  4. What is a photo cell? Mention the different types of photocells.

  5. Why we do not see the wave properties of a baseball?

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