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Modern Physics Quiz

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Questions and Answers

Which of the following equations correctly represents the kinetic energy of a particle moving with speed v?

K = (1/2)mv^2 (correct)

K = Eo + mc^2

K = (1/2)mv

K = mc^2

What is the mass of an electron?

0.511 MeV

9.1 x 10^-31 kg (correct)

1.67 x 10^-27 kg

938 MeV

What is the speed of light in a vacuum?

0.511 MeV

3 x 10^8 m/s (correct)

938 MeV

9.1 x 10^-31 kg

Modern Physics Quiz

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Questions and Answers

Which of the following equations correctly represents the kinetic energy of a particle moving with speed v?

What is the mass of an electron?

What is the speed of light in a vacuum?

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