The difference between red light and blue light is

Wave Speed

Amplitude

Wavelength

The best method for testing the continuity of each part of an appliance uses a. a voltmeter. c. an ohmmeter. b. an ammeter. d. a wattmeter.

Rutherford was the first to hypothesize that electrons orbit a positively charged nucleus a. true b. false

Astronomers today use the concept proposed by Christian Doppler and Edwin Hubble to determine the motion of stars and galaxies.

Why does the earth bulge at the equator?

Which part of the battery is electron enriched? a. positive terminal b. negative terminal c. battery acid d. conducting plates

A student in her physics lab measures the standing-wave modes of a tube. The lowest frequency that makes a resonance is 20 Hz. As the frequency is increased, the next resonance is at 60 Hz. What will be the next resonance after this? A. 80 Hz B.

For a satellite to stay in orbit around Earth, it has to be moving forward very fast all the time. What force will make it fall to Earth if it goes too slowly?

A student hangs a balloon from a string then rubs it on their hair and releases it. They rub a second balloon on their hair then move it towards the hanging balloon the moving balloon moves away because ...

Plato and the Soul. A. Plato believed that our souls died with our physical bodies. B. Plato believes our souls were the shadows on the cave walls. C. Plato believed our souls did not exist.

A 1000 kg satellite and a 2000 kg satellite follow exactly the same orbit around the earth. What is the ratio F1/F2 of the gravitational force on the first satellite to that on the second satellite?