Crossword Round 1

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Across
  1. 3. Optical fibre is covered with thin layer of material called ?
  2. 4. Si Unit Of Plane Angle
  3. 5. Albert einstein called whom as the “father of modern science” ?
  4. 6. Device converting ac voltage into dc voltage ?
  5. 13. Friction Between Two Bodies When One Body Is Silding
  6. 15. Motion of a body in a straight line
  7. 16. Materials having very high specific resistance is called ?
  8. 17. The antiparticle of electron
  9. 18. Combination of cells is called?
Down
  1. 1. Logical algebra is also known as ?
  2. 2. Thermocouple Is Used To Detect Which Rays
  3. 7. Radio wave Is Which Wave
  4. 8. Substances which are weakly attracted by a magnet are called?
  5. 9. Device than can determine internal resistance of cell?
  6. 10. Ozone Layer Is In Which Part Of Atmosphere
  7. 11. PRESSURE Over Other Shape Of Vessel Containing Liquid Does Not Affect Pressure
  8. 12. A scientific study of sound
  9. 14. A scientific study of light