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प्रश्न
Name some everyday objects:
which absorb all the colours in sunlight
उत्तर
Black objects, such as coal, blackboard, tar, ink, charcoal and black clothes, absorb all the colours of sunlight and therefore appear black in colour.
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संबंधित प्रश्न
What colours make up white light?
Which colour of the spectrum has
shortest wavelength?
What is the colour of the sunlight:
scattered by the dust particles in the atmosphere?
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.
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
What characteristic property of light is responsible for the blue colour of the sky?
Blue litmus is added to two test tubes A and B containing dilute HCl and NaOH. Answer respectively. In which test tube a colour change will be observed? State the colour change and give its reason.
Blue colour of sky is due to the phenomenon of
