Advertisements
Advertisements
प्रश्न
Which colour of the spectrum has
shortest wavelength?
उत्तर
The colour violet of the spectrum has the shortest wavelength.
APPEARS IN
संबंधित प्रश्न
Explain giving reason why the sky appears blue to an observer from the surface of the earth? What will the colour of the sky be for an astronaut staying in the international space station orbiting the earth? Justify your answer giving reason.
Why does the sun seem to rise two minutes before the actual sunrise and set two minutes after the actual sunset ? Explain with the help of labelled diagram.
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.
Out of blue light and red light, which one is scattered more easily?
The sky appears blue because some of the blue component of sunlight is scattered by:
(a) gas molecules present in air
(b) dust particles present in air
(c) water droplets suspended in air
(d) soot particles present in air
Using the phenomenon of scattering of light, explain why there is a difference in the colour of the sun as it appears during sunrise and at noon.
In the atmosphere which colour of light gets scattered the least?
The clear sky appears blue because
How can we explain the reddish appearance of sun at sunrise or sunset? Why does it not appear red at noon?