Which of the following statements about black holes is true? a) Black holes emit light and other forms of radiation. b) Black holes are regions in space with no gravitational force. c) Nothing can escape the gravitational pull of a black hole, not even light. d) Black holes are the result of a star becoming extremely cold. The phenomenon where an electron moves to a lower energy level, emitting a photon, is called: a) Absorption. b) Reflection. c) Diffraction. d) Emission.
Which of the following statements about black holes is true? a) Black holes emit light and other forms of radiation. b) Black holes are regions in space with no gravitational force. c) Nothing can escape the gravitational pull of a black hole, not even light. d) Black holes are the result of a star becoming extremely cold. The phenomenon where an electron moves to a lower energy level, emitting a photon, is called: a) Absorption. b) Reflection. c) Diffraction. d) Emission.
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Transcribed Image Text:Which of the following statements about black holes is true?
a) Black holes emit light and other forms of radiation.
b) Black holes are regions in space with no gravitational force.
c) Nothing can escape the gravitational pull of a black hole, not even light.
d) Black holes are the result of a star becoming extremely cold.
The phenomenon where an electron moves to a lower energy level, emitting a
photon, is called:
a) Absorption.
b) Reflection.
c) Diffraction.
d) Emission.
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