8th Standard English Medium Science Subject T1 - Light Book Back 5 Mark Questions with Solution Part - I

8th Standard

    Reg.No. :
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Science

Time : 00:30:00 Hrs
Total Marks : 25
    5 x 5 = 25
  1. Explain the images formed by a concave mirror?

  2. What is reflection? Write short notes on regular and irregular reflection?

  3. Explain the working of a periscope.

  4. What is dispersion? Explain in detail.

  5. Speed of light in air is 3 × 108 m s–1 and the refractive index of a medium is 1.5. Find the speed of light in the medium.

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