Energy and Momentum: In a certain nuclear reactor, neutrons suddenly collide with deuterons, which have twice the mass of neutrons. In a head-on elastic collision with a stationary deuteron, what fraction of the initial kinetic energy of a neutron is transferred to the deuteron?

A. 1/2
B. 1/3
C. 3/4
D. 5/6
E. 8/9


Answer: E

Physics & Space Science

You might also like to view...

Which of these is not a metal?

A) selenium (atomic no. = 34) B) gallium (atomic no. = 31) C) lithium (atomic no. = 3) D) potassium (atomic no. = 19) E) vanadium (atomic no. = 23)

Physics & Space Science

It is often possible to use the atomic masses when calculating the binding energy of a nucleus. The reason for this is

a. the electron masses do not cancel. b. the electron masses cancel. c. tables of nuclear masses are usually not available. d. the mass of the electron can usually be neglected when compared to the mass of the neutron. e. the atomic masses are the same as the nuclear masses.

Physics & Space Science

When you look at yourself in a pocket mirror, and then hold the mirror farther away, you see

A) more of yourself. B) less of yourself. C) the same amount of yourself.

Physics & Space Science

Describe the difference between a solar system and a galaxy

What will be an ideal response?

Physics & Space Science