Answered: Which of the following best explain why…

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter2: Motion In One Dimension

Section: Chapter Questions

Problem 73AP

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Which of the following best explain why rain clouds are dark? *

A. Rain clouds contain a lot of water droplets which absorb all the frequencies of light, and nothing reaches the observer’s eye.

B. Rain clouds are dark because of the water in the cloud has a lot of atoms and molecules.

C. Rain clouds contain a lot of water droplets which reflect all the frequencies of light.

D. Light is reflected in the rain clouds; nothing reaches the observer’s eye

The dispersion of light when it passes through a prism shows that: *

A. the prism contains many narrow, equally spaced slits.

B. all wavelengths have the same speed in a material.

C. different wavelengths have different speeds in the material.

D. the index of refraction is the same for all wavelengths.

What made Hertz think that electromagnetic waves are transmitted during his experiment? *

A. a spark was produced

B. sound was produced

C. a light was produced

D. wave was produced

Which of the following concepts is Newtonian mechanics applicable? *

A. Objects that move at a speed of light.

B. Objects that move twice than the speed of light.

C. Objects that move greater than the speed of light.

D. Objects that move much smaller than the speed of light

An astronaut in a spaceship travelling at a very high speed with respect to your frame of reference fires a photon beam. The speed of the beam is c with respect to the spaceship. How fast is the beam with respect to your frame of reference? *

A. less than c

B. greater than c

C. equal to c also

D. 2c

You are traveling near light speed. You see the Earth slide past your window. You notice that you left a clock (readable from space), and for every second that pasts on the spacecraft. *

A. Exactly 1 second pasts on Earth.

B. Less than a second pasts on Earth.

C. More than a second pasts on Earth.

D. Nothing changed

The special theory of relativity states that: *

A. Light has mass.

B. The five fundamental forces are linked to one another.

C. The position of any object can be pinpointed using three special dimensions.

D. The laws of physics are the same in moving and non-moving frames of reference.

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