Sudarshan posted an Question
April 08, 2020 • 21:20 pm 30 points
  • IIT JAM
  • Physics (PH)

(b) 0.2c (d) c (c) 0.9c q10. an astronaut moves in a spaceship traveling at a speed of 0.8c (c is the velocity of light), and observes a photon approaching him

(B) 0.2c (D) c (C) 0.9c Q10. An astronaut moves in a spaceship traveling at a speed of 0.8c (c is the velocity of light), and observes a photon approaching him from space. The speed of photon with respect to the spaceship is (A) 1 1.8c

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    Ruby negi Best Answer

    if you want to calculate, here is the calculation.

    cropped-499557404.jpg
  • comment-profile-img>
    Ruby negi best-answer

    correct answer is d.. speed of light is constant in all internal frames.

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