When an atom emits light, an electron in it moves from a higher to a lower energy level.

Answer the following statement true (T) or false (F)


True

Physics & Space Science

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Power: The voltage drop across a metal bar is 5.0 V while a current of 10.0 mA flows through it. How much power does this bar dissipate?

A. 50 mW B. 500 ?W C. 2.5 kW D. 0.50 kW

Physics & Space Science

Saturn's rings are widest open, doubling the planet's brightness, when it is at:

A) opposition. B) quadrature. C) greatest elongation. D) equinox. E) solstice.

Physics & Space Science

Which are bigger—Celsius degrees or Fahrenheit degrees?

a. Fahrenheit b. Celsius c. Neither—they are the same size. d. This is a nonsensical comparison.

Physics & Space Science

Inelastic collisions occur when

A. The masses are all the same B. There is no compression during the collision C. Bonds between the objects are broken D. The objects stick together

Physics & Space Science