1. Light from a source having a continuous Spectrum shines on a mass of Hydrogen gas. What sort of spectrum would you see if you were (a) on the opposite side of the gas from the source ? (b) off to the side ? Explain.
2. Two stars have the same temperature, but the absorption lines of one are narrower than the absorption lines of the other. What could be the reason for this ?
3. An astronaut moves away from the Solar System at half the speed of light. Does the colour of the Sun change for him? Explain.© BrainMass Inc. brainmass.com March 4, 2021, 9:49 pm ad1c9bdddf
Please refer to the attachment for the solutions.
Answer-1: If we were on the opposite side of the gas from the source, we would see Hydrogen absorption spectrum, showing the characteristic Balmer series lines. ...
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