Do photons travel in waves

When the current through an electromagnet ceases, what generally happens to the magnetic field? A. The magnetic field stays the same. B. The magnetic field eventually disappears. C. The magnetic field eventually gets stronger. D.

Why are solids good at transferring heat through conduction? A. The particles are close together. B. The particles do not move. C. The particles give off electromagnetic waves. D. The particles can slide past one another.

What happens to the polarity of an electromagnet when the direction of the current passing through it is reversed?

Under which condition will air behave as conductor? a) low altitude b) high humidity c) low humidity d) high pressure

A pendulum on Planet X, where the value of m is unknown, oscillates with a period T1 = 8 s. Note that you do not know the value of m, L, or g, so do not assume any specific values. The required analysis involves thinking about ratios.

Majority floor leaders hold considerable power due mainly to the fact that a. they are the most popular leaders. b. presiding officers choose them. c. the majority party has more seats than the other party has. d.

Light enters an equilateral triangle prism in a direction parallel to one side. The prism is made of glass with an index of refraction of 1.52. What is the angle between the incoming ray and the ray that leaves the prism on the other side?

What are three examples of circular motion?

If the mass of the helicopter is 4500kg, and the net force on it is 18,000 N, what is the helicopter's acceleration?

True or false about a geothermal power plant gets energy by using methane from decomposition