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When a light beam approaches you, its frequency is greater
Chapter 17, Problem 10E(choose chapter or problem)
QUESTION:
When a light beam approaches you, its frequency is greater and its wavelength less. Does this contradict the postulate that the speed of light cannot change? Defend your answer.
Questions & Answers
QUESTION:
When a light beam approaches you, its frequency is greater and its wavelength less. Does this contradict the postulate that the speed of light cannot change? Defend your answer.
ANSWER:Solution 10E Step 1 When light is approaching me, the light is moving towards the higher gravitational field, that is the gravitational potential is decreasing (since the gravitational field is attracting). According to the general theory of relativity, if li