The radiation emitted from a small hole in a furnace is
a. ultraviolet.
b. infrared.
c. x-ray.
d. microwave.
e. blackbody.
e
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One of the discoveries made by the Voyager probes while near Jupiter was:
A) Io has a featureless surface that never changes. B) a thin ring of dust around the equator. C) the absence of a magnetic field around the giant planet. D) that the Great Red Spot is uniform and featureless. E) each of the four large moons produces a strong magnetic field.
Repeatedly tap the side of a drinking glass with a spoon as you fill the glass with water and the pitch of the sound
A) increases. B) decreases. C) remains relatively constant.
A beam of light emerges from water into air at an angle bent
A) towards the normal B) away from the normal. C) in a direction parallel to the normal. D) in a direction perpendicular to the normal. E) not at all.
Why is heat of vaporization, heat of fusion, and heat of sublimation accounted as energy generation in the usual derivation of energy balance equations?
What will be an ideal response?