When light is reflected by a mirror, the angle of an incidence is always?

A) greater than the angle of reflection

B) 90° with respect to the reflecting surface

C) equal to the angle of reflection

D) less than the angle of reflection

Infrared radiation causes phosphors to give off visible light?

Jack tries to place a magnet on the door of his refrigerator. He observes that the magnets don't stick. He guesses that the door of the refrigerator is made of non magnetic substance.

A student eats a tasty school lunch containing 700. Calories. (One food Calorie = 4186 joules.) Due to basal metabolism, the student radiates about 100. joules per second into the environment.

Describe the compressions and rarefactions of a longitudinal wave

Two ladders of uniform density and equal mass m are propped up against each other at angles from the frictionless ground. A rope of tension T connects the two horizontally a distance / from the center of each ladder. Each ladder is of length L.

A baseball flying through the air has kinetic energy because of its motion. true or false?

How many poles does Jupiter's magnetosphere have? a. 2 c. 8 b. 4 d. 9

Which describes nuclear fusion? The nuclei of two atoms combine to form a larger nucleus. The nucleus of one atom splits to form two smaller nuclei. The electrons of two atoms combine to form a cluster of electrons.

In a class debate, a student argues that the big bang theory is "just a theory." What is most likely to be this student's understanding of scientific theories? A. Theories agree with observations of nature. B. Theories are just guesses. C.

Look at the advertisement. A poster that reads, "There's more to resistors than resistance. If you're really serious about cost, be serious about quality." with tools. Which persuasive media technique is used in this advertisement