Science Bowl Sample Questions ›› Physics

Science Bowl Sample Questions : Physics

41. Which of the following particles has not yet been observed but is generally theorized to exist:
    1. mesons
    2. gluons
    3. fermionic hadrons
    4. gravitons

    Answer: D

42. The fundamental forces of nature are most correctly given as:
    1. gravitational, electromagnetic, strong interactive, weak interactive
    2. chemical, mechanical, friction and atomic
    3. gravitational, electromotive, magnetic, atomic
    4. graviton, photon, lepton, hadron

    Answer: A

43. Which of the following is the emission source for microwaves in a typical microwave oven:
    1. small cyclotron
    2. cadmium disk bombarded with a soft x-ray source
    3. magnetron
    4. laser lamp

    Answer: C

44. Laser is an acronym for what?

    Answer: light amplification by stimulated emission of radiation

45. By primarily using what simple machine did Galileo come to the conclusion on the existence of friction?

    Answer: inclined plane

46. What formula is most appropriate to compute the kinetic energy of a block of ice sliding down an inclined plane?

    Answer: KE=½ mv²

47. How many femtometers are in a nanometer?

    Answer: one million

48. What is the name for the physical constant with a value of 6.62 X 10^-27 erg seconds?

    Answer: Planck's Constant

49. PHYSICS Short Answer To two significant figures, what is the index of refraction of air?

    Answer: 1.0

50. If blue light is combined with green light, what color of light is produced?

    Answer: Cyan