Which forms of light are lower in energy and frequency than the light that our eyes can see?

A) infrared and radio
B) ultraviolet and x-rays
C) visible light
D) infrared and ultraviolet


A) infrared and radio

Physics & Space Science

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The decoupling of the strong force from the electroweak force provided energy for a rapid inflation of the Universe

a. True b. False Indicate whether the statement is true or false

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The ratio of the density of a material to the density of water is

a. the mass density. b. the weight density. c. the specific gravity. d. the buoyant force. e. none of the above.

Physics & Space Science

An extremely long thin wire carries a uniform linear charge density of 358 nC/m

Find the potential difference between points 5.0 m and 6.0 m from the wire, provided they are not near either end of the wire. (k = 1/4??0 = 8.99 × 109 N ? m2/C2) A) 0.215 kV B) 1.2 kV C) 6.0 kV D) 0.21 kV

Physics & Space Science

If the tension on a guitar string is increased by a factor of 2, the fundamental frequency at which it vibrates is changed by what factor?

a. 0.5 c. 2–1/2 b. 21/2 d. 2

Physics & Space Science