A(n)
is a line in which waves move that are moving together all in the same phase
Light wave
Wave front
Incident beam
Dark wave

Which of the following correctly describes what happens when an atomic bomb explodes? small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result. large pieces of fissionable matter are brought together quickly and form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion result.

For waves in the ocean, the medium of the waves is a. air b. water c. energy d. a passing boat

What happens when a rubber rod is rubbed with a piece of fur?