Physics

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Across
  1. 1. - an electronic device used to increase the strength of signal fed into it
  2. 5. - the study of the relations between heat, work, temperature, and energy
  3. 7. - the time taken for half of the atoms in a radioactive material to undergo decay
  4. 12. - a force that tends to produce an elongation of a body or structure
  5. 13. - the smallest quantity of some physical property, such as energy, that a system can possess according to the quantum theory
  6. 15. - any of a number of subatomic particles, carrying a fractional electric charge
  7. 16. - the attribute of matter by which it responds to electromagnetic forces responsible for all electrical phenomena existing in two forms
  8. 17. - a substance, body, or system that conducts electricity, heat, etc
Down
  1. 1. / the maximum displacement or distance moved by a point on a vibrating body or wave measured from its equilibrium position
  2. 2. - a measure of the rate of motion of a body expressed as the rate of change of its position in a particular direction with time
  3. 3. - electromagnetic radiation in the wavelength range 0.3 to 0.001 m: used in radar, cooking, etc
  4. 4. ray - electromagnetic radiation having a wavelength of 10/-9^ cm or less
  5. 6. - a continuous electric current that flows in one direction only
  6. 8. - any of a group of elementary particles and their antiparticles
  7. 9. - a device that diverges or converges a beam of electromagnetic radiation, sound, or particles
  8. 10. - cleaner
  9. 11. - a property of matter, by which it continues in its existing state of rest or uniform motion in a straight line, unless that state is changed by an external force
  10. 14. - the path followed by projectile flying or an object moving under the action of given forces