Explanation

The correct answer is approximately 1479 J.

Explanation

The collision frequency is 2 × 10^9 collisions per second, which can also be expressed as 2 x 10^-9/sec.

Explanation

FCC (Face-Centered Cubic) lattice is the reciprocal lattice of the BCC (Body-Centered Cubic) lattice.

Explanation

The quality of public healthcare "depends" on the amount of money allocated to it.

Explanation

In a simple model, the unforced rising of hot air can be attributed to the low specific heat of air.

Explanation

An electric field exerts a torque on a dipole only if "the field is perpendicular to the dipole moment."

Explanation

The rates of loss of heat are in the ratio of the squares of their radii: r^2 1 /r^2 2.

Explanation

The repeatable entity of a crystal structure is known as a "unit cell."

Explanation

The repulsive energy between particles is always positive.

Explanation