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प्रश्न
What colour does the sky appear to an astronaut?
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उत्तर
The sky appears black to an astronaut because there is no atmosphere in space to scatter the light from the sun.
संबंधित प्रश्न
What colours make up white light?
Which colour of light has the shorter wavelength − red or violet?
What is the colour of the sunlight scattered by the air molecules in the atmosphere?
State whether the following statements are true or false:
The scattering away of red light makes the sky appear blue during the day time.
Which effect is illustrated by the observation that when a beam of sunlight enters a dusty room, then its path becomes visible to us.
What happens when a beam of sunlight enters a dusty room through a window? Explain your answer.
Why are the ‘danger signal’ lights red in colour?
How would the sky appear when seen from the space (or moon)? Give reason for your answer.
What characteristic property of light is responsible for the blue colour of the sky?
Which colour of white light is scattered the least? Give reason.
