All About Physics?

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Across
  1. 2. Light that generally comes from the electrons in very hot object.
  2. 4. Professor of this Physics course/" Our teacher calls himself"
  3. 6. the distance travelled in a particular direction from a specified origin
  4. 7. Ratio of potential difference across device to current through it.
  5. 9. Antiparticle equivalent of electron.
  6. 12. Device that changes force needed to do work.
  7. 13. Condition in which net force is equal to zero. Condition in which net torque on object is zero.
  8. 15. One of the scalar versions of velocity and displacement.
  9. 17. A diagram/bookkeeping device that helps in conceptualizing and calculating interactions between particles in spacetime
  10. 19. Are made up of neutrons and protons, n and p.
  11. 20. The force of gravity on a body.
Down
  1. 1. Unit of electrical charge. Charge caused by flow of one ampere for one second.
  2. 3. Device used to measure very small currents.
  3. 5. Non-material property capable of causing changes in matter.
  4. 8. Force opposing relative motion of two objects are in contact.
  5. 10. It is a light and its relatives, from short wave length to long wavelength:
  6. 11. He developed the general theory of relativity, one of the two pillars of modern physics.
  7. 14. Aparticles are just electrons that come from the nucleius when a neutron changes into a proton.
  8. 16. Atomic nuclei having same number of protons but different numbers of neutrons.
  9. 18. Power- the rate of doing work;unit of power, one joule per second.