The type of EM radiation that has wavelength just a bit longer than that of visible light is

a. ultraviolet
b. infrared
c. x ray
d. microwave
e. gamma ray


B

Physics & Space Science

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An example of conservation of angular momentum is

A. A car going around a corner B. An ice skater changing the speed of a spin C. Jumping off a diving board D. A golf club hitting a golf ball

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The ____________________ of the galaxy contains population I stars, open clusters, and gas clouds

Fill in the blank(s) with correct word

Physics & Space Science

A thin sheet of plastic (n = 1.60) is inserted between two panes of glass to reduce infrared (? = 700 nm) losses. What thickness (in nm) is necessary to produce constructive interference in the reflected infrared radiation?

A. 218 B. 109 C. 55 D. 318 E. 443

Physics & Space Science

Three objects are located in the x-y plane as follows: a 6 kg-object is at (0 m, 0 m), a mass of 4 kg is at (3 m, 0 m), and a 2 kg-object is at (0 m, 3 m). Where is the center of mass of the system?

A) (1 m, 2 m) B) (2 m, 1 m) C) (1 m, 1 m) D) (1 m, 0.5 m) E) (0.5 m, 1 m)

Physics & Space Science