A Level Physics

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Across
  1. 3. the magnetic flux density depends on the number of turns per unit length
  2. 6. force acting towards the centre of a circle
  3. 8. value of gravitational potential energy at infinity
  4. 11. decrease in amplitude of waves
  5. 12. gravitational ________ is the work done per unit mass in bringing a mass from infinity to a point
  6. 13. resultant force is zero
  7. 15. force proportional to product of charges and inversely proportional to square distance.
Down
  1. 1. technique to determine the direction of magnetic force, current and magnetic field
  2. 2. a motion where acceleration is proportional to displacement in the opposite direction
  3. 4. driving frequency matches with natural frequency
  4. 5. GMm/r2
  5. 7. substance that has no intermolecular force and only valid at low pressure and high temperature
  6. 9. the value of electric field strength on the surface if a point charge
  7. 10. U = q+ w is the __________ of thermodynamic
  8. 14. random motion of molecules due to collisions with surrounding molecules