Physics, 11.12.2019 01:31, kassandrarosario1115

Light from a lamp is shining on a surface. how can you increase the intensity of the light on the surface? light from a lamp is shining on a surface. how can you increase the intensity of the light on the surface? a. use a lens to focus the power into a smaller area. b. increase the power output of the lamp. c. either a or b.

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 22:30, ceceshelby646

Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.

Answers: 1

continue

Physics, 22.06.2019 06:00, lyn94

Explain earth's motion, using the terms "precession" and "rotation" in your answer.

Answers: 1

continue

Physics, 22.06.2019 15:00, sloane50

What happens to an isotope during radioactive decay?

Answers: 2

continue

Physics, 22.06.2019 19:00, Geo777

Abatter hits a 0.140-kg baseball that was approaching him at 30 m/s and, as a result, the ball leaves the bat at 40 m/s in the reverse of its original direction. the ball remains in contact with the bat for 2.0 ms. what is the magnitude of the average force exerted by the bat on the ball?

Answers: 1

continue

Do you know the correct answer?

Light from a lamp is shining on a surface. how can you increase the intensity of the light on the su...