Physics HHW

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Across
  1. 5. The unit of power of lens is
  2. 6. The colored light that refracts most while passing through a prism is
  3. 7. Which is the most popular kitchen fuel in India?
  4. 9. What is the SI unit of Electric Current.
  5. 11. The optical phenomena, twinkling of stars, is due to
  6. 12. A ray travelling towards the mirror is the __________.
Down
  1. 1. The hindrance presented by material of conductor to the smooth passing of electric current is known as:
  2. 2. Which instrument is used for measuring electric potential?
  3. 3. The Chief constituent of Bio gas is
  4. 4. What is the ultimate source of Energy for us ?
  5. 8. The part of the eyes refracts light entering the eye from external objects?
  6. 10. The amount of light entering the human eye is controlled by