If the mass of a 1.0-kg book could be entirely converted into electrical energy, how many kW ? h of energy would that generate? (c = 3.0 × 108 m/s)
What will be an ideal response?
2.5 × 1010 kW ? h
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What is the energy, in eV, of a photon of wavelength 550. nm?
What will be an ideal response?
The Sun is located at the edge of the galaxy, approximately 50,000 light-years from the galactic center
Indicate whether the statement is true or false
In electron diffraction, an electron moving at speed v << c acts like
a. a particle with momentum mv. b. a particle with position coordinate v/t. c. a wave with wavelength v/t. d. a wave with wavelength h/mv. e. both a particle with position coordinate v/t and a wave with wavelength v/t.
The strong nuclear force is the force that holds the protons and neutrons in the nucleus together
Based on the fact that atomic nuclei can be stable, briefly explain how you can conclude that the strong force must be even stronger than the electromagnetic force, at least over very short distances.