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प्रश्न
Which colour of the spectrum has
longest wavelength,
उत्तर
The colour red of the spectrum has the longest wavelength.
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संबंधित प्रश्न
What colours lie on the two sides of the 'green colour' in the spectrum of white light?
Which phenomenon makes us see the sun:
a few minutes after actual sunset?
Why does the sky appear dark (or black) to an astronaut instead of blue?
Why does the sun appear red at sunset?
Draw a neat and labelled diagram of the experimental set up for observing the scattering of light in a colloidal solution of sulphur to show how the sky appears blue, and the sun appears red at sunrise and sunset.
The clouds are seen white. Explain
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Draw a labeled diagram to show
(i) the reddish appearance of the sun at the sunrise or the sunset and
(ii) white appearance of the sun at noon when it is overhead.
Draw a labelled diagram to show (i) reddish appearance of the sun at the sunrise or the sunset and (ii) white appearance of the sun at noon when it is overhead.
Is the position of a star as seen by us its true position? Justify your answer.
