HL Physics

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Across
  1. 4. → Beta particles were emitted with a range of different energies, providing evidence for the existence of __________
  2. 8. → Model of hydrogen atom with quantized energy levels.
  3. 10. → Real processes are ___________
  4. 15. → Depends on the distribution of mass of an extended body about an axis of rotation
  5. 19. → Additional particle produced in β⁻ decay
  6. 22. → Process in which there is no exchange of heat with the surroundings.
  7. 23. → Law stating that the direction of induced current opposes the change producing it.
  8. 25. → An object, moving in the same direction as its length, appears shorter than when it is stationary.
  9. 26. → Non-accelerating frame in which the laws of Physics are the same.
  10. 27. → Minimum energy needed by an electron at the surface of the metal to escape from the metal.
  11. 28. → Law stating that the induced EMF equals the rate of change of flux linkage.
  12. 29. → Frequency below which no electrons are emitted.
  13. 30. → Effect where one photon causes one electron to be emitted from the surface of a metal.
Down
  1. 1. → Wavelength = h/p for matter behaving like a wave
  2. 2. → Degree of disorder of the particles in a system.
  3. 3. → Contains many equally spaced parallel slits.
  4. 5. → Occurs when resultant force and resultant torque are zero.
  5. 6. → Angular __________ remains constant unless the body is acted on by a resultant torque.
  6. 7. → Force acting between nucleons that explains deviations from Rutherford scattering for alpha particles at high energies.
  7. 9. → Minimum voltage needed to reduce the photoelectron current to zero
  8. 11. → Postulate 2: The speed of light is...
  9. 12. → Time recorded by an observer who is stationary relative to the clock
  10. 13. → Lines or surfaces joining points of equal potential.
  11. 14. → Effect: another experiment, light scattering by electrons, which provides evidence that light can behave as a particle.
  12. 16. → Q = ΔU + W is the first law of
  13. 17. → Eₚ is __________ at the Earth's surface
  14. 18. → Slit that modulates the double slit interference pattern
  15. 20. → Theoretical cycle that sets a limit for the efficiency of a heat engine.
  16. 21. → Electric potential is a __________ quantity
  17. 24. → Gravitational __________ is work done per unit mass to move a small object from infinity to that point