## Test your basic knowledge |

# AP Physics Formulas

**Instructions:**

- Answer 50 questions in 15 minutes.
- If you are not ready to take this test, you can study here.
- Match each statement with the correct term.
- Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

**1. formula for current through the resistor when the ten coils are removed from the B field in an amount of time t**

**2. change in internal energy during a cyclic process**

**3. formula for efficiency of a heat engine using work out**

**4. EMF of a battery having internal resistance R**

**5. units for voltage other than volts**

**6. formula for charge stored in a capciator**

**7. what direction is friction?**

**8. formula to find the absoluate pressure at the bottom of a pool**

**9. the units of power other than watts**

**10. formula for change in internal energy in a cosnstat volume PV process**

**11. velocity of waves on a string if tension is known**

**12. isothermal**

**13. the units of current other than amps**

**14. first kinematic**

**15. formula for energy of a spring mass when spring is at maximum displacement**

**16. the force on a charge in an electric field**

**17. heat during an isometric process**

**18. third kinematic**

**19. voltage induced in a rod moving through a uniform magnetic field**

**20. radius of curvature of a charged particle as it enters a uniform magnetic field**

**21. force a charge in a Bfield**

**22. formula for centripetal acceleration**

**23. new frequency of light as it enters a new substance**

**24. formula for finding the stopping potential of a metal for a wavelength if the cutoff frequency is known**

**25. the electric force between two objects of charge Q**

**26. formula for constructive interference in a thin membrane with two phase changes**

**27. formula for finding the momentum of a photon**

**28. new wavelength of light as it enters a new substance**

**29. formula for finding the work function of a metal if the cutoff frequency is known**

**30. velocity of an electrion as it exitws from the hole**

**31. velocity of a molecule of gas**

**32. isobaric**

**33. second kinematic**

**34. lens/mirror equation**

**35. formula for power with current and voltage**

**36. formula for impulse involving momentum**

**37. formula for finding the qacceleration due to gravity at the surface of a planet of mass M and diameter d**

**38. heat required to change temperature of a substance**

**39. pressure**

**40. the force on a charge moving parallel to a magnetic field**

**41. formula for finding the magnetic field a distance r from a current carrying wire**

**42. electric field in a distance r from a charge**

**43. formula for torque**

**44. adibatic**

**45. electric potential a distance r from a charge**

**46. formula equating energy and mass**

**47. formula for Carnot efficiency**

**48. formula for efficiency not using work out**

**49. equation of continuity**

**50. velocity of a charge traveling at a constant veloc ity through crossed E and B fields**