What is the change in the direction of a wave when it passes obliquely from one medium to another called?

A

refraction

B

interference

C

diffraction

D

superposition

How is water molecule like a magnet?

Where is the magnitude of the magnetic field around a permanent magnet greatest?

A grasshopper floating in water generates waves at a rate of three per second with a wavelength of two centimeters. (a) What is the period of these waves? (b) What is the wave velocity?

Do you suppose that higher oxygen content in the air causes more photosynthesis? Yes No explain

What does it mean when the mark on the ramrod disappears into the barrel of the muzzleloader?

What is an example of chemical potential energy in humans?

If an object is stationary the forces acting upon are ... Unbalanced, weak, or balanced?

What is the difference between an object that sinks and one that floats?

Heliocentric means ... sun-centered. moon-centered. Earth-centered. galaxy-centered.

Which of the following statements are true? a. A satellite's motion is independent of its mass. b. A satellite's velocity and orbital radius are independent of each other. c. A geosynchronous satellite has a period of approximately 28 days. d.