As the temperature of a radiation emitting blackbody becomes higher, what happens to the peak wavelength of the radiation?

a. increases
b. decreases
c. remains constant
d. is directly proportional to temperature


b

Physics & Space Science

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A -4.0-?C charge is situated at the origin of an xy-coordinate system. Another -4.0 ?C charge is at y = 4.0 m. What is the electric potential at a point x = 3.0 m due to these two charges?

A) -3600 V B) 3600 V C) -4800 V D) 4800 V E) 0 V

Physics & Space Science

If an object accelerates, a force is acting on it

1.True 2.False

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If a volume of air is warmed, it expands. If a volume of air expands, it

A) warms. B) cools. C) neither warms nor cools.

Physics & Space Science

The radio radiation emitted by a radio lobe is mainly synchrotron radiation

Indicate whether the statement is true or false

Physics & Space Science