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प्रश्न
Why does the sky appear dark (or black) to an astronaut instead of blue?
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उत्तर
The sky appears dark (or black) to an astronaut instead of blue because there is no atmosphere containing air molecules in outer space to scatter sunlight.
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संबंधित प्रश्न
Give the meaning of the term VIBGYOR. With which phenomenon is it connected?
Name the scientist who discovered that sunlight consists of seven colours.
Which phenomenon makes us see the sun:
a few minutes after actual sunset?
State whether the following statements are true or false:
The scattering away of blue light makes the sun appear red at sunset.
The red colour of the sun at the time of sunrise and sunset is because:
(a) red colour is least scattered
(b) blue colour is least scattered
(c) red colour is most scattered
(d) blue colour is most scattered
In an experiment to study the scattering of light by passing a beam of white light through a colloidal solution of sulphur in a transparent glass tank:
Which colour is observed from the front of the glass tank? Does this colour correspond to the colour of sky on a clear day or the colour of sky around the sun at sunset?
Describe an experiment to show that “sunlight is essential for photosynthesis”.
A beam of blue, green and yellow light passes through the earth's atmosphere. Name the colour which is scattered the most.
The clear sky appears blue because:
The clear sky appears blue because
