physics quiz

When a particle is moving with a velocity of light c relative to S, its velocity as observed by an observer in the frame S^’ is

• Zero

• 0.5C

• 0.25C

• C

As an object approaches the speed of light, it’s mass becomes _____________

• Zero

• Double

• Remains same

• Infinite

The concept of matter wave was suggested by

• Heisenberg

• De Broglie

• Schrodinger

• Laplace

Matter waves are

• Electromagnetic waves

• longitudinal waves

• Probability waves

• Transverse waves

Which scientist proposed the theory of wave-particle duality?

• Heisenberg

• De Broglie

• Schrodinger

• Laplace

What happens to the wavelength of a particle as its velocity approaches the speed of light?

• It decreases

• It increases

• It remains constant

• It becomes infinite

The wavelength of de Broglie waves is independent of: (a) charge (b) momentum (c) velocity (d) mass

• charge

• momentum

• velocity

• mass

What is the relationship between the wavelength of de Broglie waves and the momentum of a particle?

• Directly proportional

• Inversely proportional

• No relationship

• Exponential relationship

Wave function associated with a material particle should be:

• finite

• single valued

• continuous

• all of the above

Which property of a particle is inversely proportional to the wavelength of its de Broglie waves?

• Charge

• Momentum

• Velocity

• Mass