When light travels from a rarer to a denser medium, the speed decreases. Does this decrease in speed imply a decrease in the energy carried by the light wave? Justify your answer.
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When a light wave travel from a rarer to a denser medium, its speed decreases but energy carried by the wave remains constant. It depends on the amplitude of wave. The frequency also remains constant.
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Which statement correctly compares the body’s energy storage molecules? 1.Glycogen is the body’s main source of energy, but lipids contain most of the body’s stored energy.
2.Glycogen is the body’s main source of energy, but proteins contain most of the body’s stored energy.
3. Lipids are the body’s main source of energy, but glycogen contains most of the body’s stored energy.
4.Proteins are the body’s main source of energy, but lipids contain most of the body’s stored energy.
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