Each of the three naturally occurring radioactive series start with one of the following isotopes except for which one?

a. 238U
b. 235U
c. 232Th
d. 237Np


d

Physics & Space Science

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How wide must a narrow slit be if the first diffraction minimum occurs at ±12° with laser light of 633 nm?

a. 3.0 × 10^?6 m b. 3.0 × 10^?5 m c. 6.1 × 10^?6 m d. 6 .1× 10?5 m e. 1.5 × 10^?6 m

Physics & Space Science

If the kinetic energy of a ball is doubled, then the momentum is

A. 0.50 times larger. B. 0.71 times larger. C. 1.00 times larger. D. 1.41 times larger. E. 1.50 times larger.

Physics & Space Science

Scientists have made great strides towards unifying the fundamental forces of nature. At the time of the publishing of the text, the most unified of theories shows that the total number of forces to be fundamental in physics is

3 1 2 4 5

Physics & Space Science

A quantum of light is called

A) a proton. B) a neutron. C) an electron. D) a neutrino. E) none of the above

Physics & Space Science