• 1. 
    Which is the weakest force in nature?

  • gravity
  • weak force
  • strong force
  • electromagnetic force
  • 2. 
    Pierre Gassendi, a French philosopher-scientist, observed gunfire from a distance in order to measure which natural phenomenon?

  • gravity
  • the speed of sound
  • atmospheric interference
  • the speed of light
  • 3. 
    Who among these men was the first scientist to conduct a controlled nuclear chain reaction experiment?

  • Albert Einstein
  • Richard P. Feynman
  • Enrico Fermi
  • Arthur Holly Compton
  • 4. 
    Physicist J.J. Thomson's atomic model, sometimes called the plum-pudding model, describes the atom as taking which configuration?

  • positively charged matter in which negatively charged electrons are embedded
  • negative electrons occupying specific shells extending outward from a dense, positive nucleus
  • a dense, positive nucleus surrounded by electrons revolving in a set number of specific orbits
  • a dense, positively charged nucleus orbited by negatively charged electrons
  • 5. 
    What did physicist J.J. Thomson discover in the 1890s when he analyzed cathode rays and concluded that they were made up of charged “corpuscles”?

  • radioactivity
  • photons
  • electrons
  • ions
  • 6. 
    What is the phenomenon of Raman scattering, named after Indian physicist C.V. Raman?

  • motion of atoms in ionized gas
  • change of wavelength of deflected light
  • effects of cloud layers on radio emissions
  • statistical distribution of meteorite impacts
  • 7. 
    What reaction involving atomic nuclei is the source of the Sun’s energy?

  • nuclear fusion
  • chemical combustion
  • nuclear fission
  • ionization
  • 8. 
    In the early 18th century, what startling conclusion did John Dalton reach regarding the “ultimate particles,” or atoms, of each of the chemical elements?

  • all atoms can be divided into even smaller particles
  • each element is made up of its own unique atom
  • all atoms bear either a positive or a negative charge
  • all atoms of all elements are fundamentally alike
  • 9. 
    What is the name of the theoretical explanation of the behaviour of subatomic particles offered by British physicist P.A.M. Dirac in the 1920s?

  • superstring theory
  • atomism
  • quantum field theory
  • electron theory
  • 10. 
    Whose work in quantum physics was referred to by Albert Einstein as “the highest form of musicality in the sphere of thought”?

  • Niels Bohr
  • P.A.M. Dirac
  • Max Born
  • Carl David Anderson
  • 11. 
    Which wave phenomenon results from the interference or superimposition of waves moving in opposite directions?

  • harmonic waves
  • sinusoidal waves
  • standing waves
  • light
  • 12. 
    What is the unit of measure for cycles per second?

  • ampere
  • decibel
  • ohm
  • hertz
  • 13. 
    A transverse wave oscillates along paths at what angle to the direction of the wave's propagation?

  • right angles
  • reflex angles
  • acute angles
  • obtuse angles
  • 14. 
    What is the SI unit of an electric charge?

  • coulomb
  • kelvin
  • second
  • ampere
  • 15. 
    Which type of electromagnetic radiation has the shortest wavelength?

  • X-ray
  • microwave
  • radio wave
  • gamma ray
  • 16. 
    For what discovery were Owen Chamberlain and Emilio Segrè awarded the Nobel Prize in Physics in 1959?

  • baryons
  • muoniums
  • antiprotons
  • antimatter
  • 17. 
    What is the capacitance of a capacitor when one coulomb of electricity changes the potential between the plates by one volt?

  • one henry
  • one erg
  • one watt
  • one farad
  • 18. 
    What is tribology?

  • study of interaction of sliding surfaces
  • study of interactions of various types of matter
  • study of interaction of electromagnetic radiation with matter
  • study of interaction of volume temperature and gas pressure
  • 19. 
    Who discovered the rotating magnetic field?

  • Nikola Tesla
  • Georgy Flerov
  • Paul Langevin
  • Pierre Curie
  • 20. 
    What term defines work done per unit of time?

  • electric current
  • magnetic flux
  • power
  • angular momentum
  • 21. 
    What term refers to the change of velocity with time?

  • acceleration
  • gravity
  • distance
  • motion
  • 22. 
    Arthur Eddington is known for investigating which type of celestial body?

  • comet
  • star
  • asteroid
  • planet
  • 23. 
    What is the flow of electric charge that periodically reverses direction?

  • displacement current
  • alternating current
  • eddy current
  • electric current
  • 24. 
    Which law states that the magnetic fields are related to the electric current produced in them?

  • Ampere's law
  • Ohm's law
  • Avogadro’s law
  • Boyle's law
  • 25. 
    The thought experiment known as Schrödinger’s cat postulates that a cat can be in two states at the same time. What are those two states?

  • moving and stationary
  • alive and dead
  • awake and asleep
  • kitten and adult
  • 26. 
    What is the internal force per unit area of a body that arises from externally applied forces?

  • action
  • stress
  • displacement
  • moment
  • 27. 
    What is vaporization of dry ice an example of?

  • sublimation
  • evaporation
  • condensation
  • cavitation
  • 28. 
    A candela is the SI unit for what?

  • inductance
  • luminous intensity
  • amount of a substance
  • radioactivity
  • 29. 
    What is the unit of magnetic induction?

  • newton
  • mole
  • tesla
  • joule
  • 30. 
    What is the formula for density?

  • d = M-V
  • d = M/V
  • d = MV
  • d = M+V
  • 31. 
    For which invention did Akasaki Isamu win the Nobel Prize for Physics in 2014?

  • blue LEDs
  • holography
  • automatic sun valves
  • integrated circuits
  • 32. 
    Who is best known for the rediscovery of “fixed air”?

  • David Gross
  • Vilhelm Bjerknes
  • Henry Cavendish
  • Joseph Black
  • 33. 
    With whom did Ferdinand Braun share the Nobel Prize in Physics in 1909 for the development of wireless telegraphy?

  • Alexander Graham Bell
  • Guglielmo Marconi
  • Alexander Stepanovich Popov
  • Gabriel Lippmann
  • 34. 
    Why was Ernest Orlando Lawrence awarded the Nobel Prize in Physics in 1939?

  • invention of the cyclotron
  • discovery of the multiverse
  • discovery of neptunium
  • invention of hydrogen bomb
  • 35. 
    What is used to measure wind speed?

  • barometer
  • dynamometer
  • altimeter
  • anemometer
  • 36. 
    Who formulated the second law of thermodynamics?

  • Nicolas Léonard Sadi Carnot
  • Rudolf Clausius
  • Ludwig Boltzmann
  • Ernst Mach
  • 37. 
    What is the rate of acceleration of gravity at the Earth’s surface?

  • 7.8m/s/s (25.6 feet/s/s)
  • 6.7m/s/s (22 feet/s/s)
  • 11.2m/s/s (36.7 feet/s/s)
  • 9.8m/s/s (32 feet/s/s)
  • 38. 
    Which of the following is not a scalar quantity?

  • mass
  • energy
  • force
  • volume
  • 39. 
    What law applies to the working of hydraulic brakes in automobiles?

  • Newton's second law
  • Pascal's law
  • Coulomb's law
  • Hooke's law
  • 40. 
    What is Newton's first law of motion about?

  • work
  • momentum
  • inertia
  • torque
  • 41. 
    Ohm's law describes the relationship between what?

  • frequency, wavelength, and velocity
  • current and drift velocity
  • current, voltage, and resistance
  • kinetic energy and momentum
  • 42. 
    The first law of thermodynamics is also known by what name?

  • conservation of mass
  • conservation of energy
  • conservation of linear momentum
  • conservation of charge
  • 43. 
    What phenomenon scatters a light beam by suspended particles in a gas or liquid?

  • Zeeman effect
  • Tyndall effect
  • Allais effect
  • Schwinger effect
  • 44. 
    What is the escape velocity for a body from the surface of the Earth?

  • 9.2 km/sec (5.71 miles/sec)
  • 2.4 km/sec (1.49 miles/sec)
  • 11.2 km/sec (6.96 miles/sec)
  • 5.01 km/sec (3.11 miles/sec)
  • 45. 
    What device can change diverging light into a parallel beam?

  • interferometer
  • SWR meter
  • spectrometer
  • collimator
  • 46. 
    Who discovered canal rays?

  • Robert Millikan
  • Arnold Sommerfeld
  • Eugen Goldstein
  • Ernest Rutherford
  • 47. 
    Who built the first fuel cell?

  • Enrico Fermi
  • Sir William Robert Grove
  • Henry Moseley
  • David Edward Hughes
  • 48. 
    What material emits light when exposed to radiation?

  • chromophore
  • phosphor
  • alexandrite
  • melanophore
  • 49. 
    Who first discovered the neutron?

  • Wolfgang Pauli
  • James Chadwick
  • Louis de Broglie
  • Otto Frisch
  • 50. 
    Who discovered the principle of interference of light?

  • Robert Hooke
  • Thomas Young
  • Paul Ehrenfest
  • Philip W. Anderson
  • 51. 
    Who wrote the Principia?

  • Marie Curie
  • John Locke
  • Issac Newton
  • Thomas Edison
  • 52. 
    Who proposed the general theory of relativity?

  • Richard Feynman
  • Karl Schwarzschild
  • Albert Einstein
  • Hendrik Lorentz
  • 53. 
    What is the unit of measurement of the electromotive force?

  • watt
  • hertz
  • pascal
  • volt
  • 54. 
    For what was Carl David Anderson awarded the Nobel Prize in Physics in 1936?

  • discovery of B mesons
  • discovery of antineutrons
  • discovery of positrons
  • discovery of protons
  • 55. 
    What is the other name of strong force?

  • gravitational force
  • electrical force
  • nuclear force
  • magnetic force
  • 56. 
    What is the change in the direction of a wave with a change in the medium called?

  • reflection
  • rotation
  • refraction
  • resonance
  • 57. 
    What causes the perceived pitch of the object to be higher when an object moves closer to the source?

  • Christofilos effect
  • Evershed effect
  • Glasser effect
  • Doppler effect
  • 58. 
    What instrument measures and records the relative humidity of air?

  • photometer
  • pH meter
  • hygrometer
  • thermometer
  • 59. 
    Who discovered electromagnetic induction?

  • Michael Faraday
  • André-Marie Ampère
  • Heinrich Hertz
  • John Lewis Hall
  • 60. 
    What is used to split white light into different colors?

  • thermometer
  • magnifying glass
  • mirror
  • prism
  • 61. 
    Decibel is the unit used for measuring what?

  • loudness
  • temperature
  • pitch
  • amplitude
  • 62. 
    Who invented the electron microscope?

  • Max Born
  • David Brewster
  • Christiaan Huygens
  • Ernst Ruska
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