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प्रश्न
A rainbow can be seen in the sky
पर्याय
when the sun is in front of you.
when the sun is behind you.
when the sun is overhead
only at the time of sunrise.
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उत्तर
when the sun is behind you.
Explanation:
A rainbow appears usually after the rain when the sun is low in the sky and you can see a rainbow only when your back is towards the sun.
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संबंधित प्रश्न
Which type of mirror is used in the following?
Periscope
Under what condition in an arrangement of two plane mirrors, incident ray and reflected ray will always be parallel to each other, whatever may be angle of incidence. Show the same with the help of diagram.
The inner surface of a steel spoon acts as a ______ mirror.
The outer surface of a flat steel plate acts as a ______ mirror.
An erect and enlarged image of an object is formed on a screen. Explain how this could be possible.
Two plane mirror M1 & M2 are placed at an angle of 120° shown in figure. A light ray is incident on M1 at an angle of 60°; after reflection from M1 the ray strikes M2. The angle which the final reflected ray (after reflection from M2) is making with the plane of mirror M2 is ______.
A plane mirror is moving with velocity `4hati + 5hatj + 8hatk`. A point object in front of the mirror moves with a velocity of `3hati + 4hatj + 5hatk`. Here `hatk` is along the normal to the plane mirror and facing toward the object. The velocity of the image is ______.
If two plane mirrors are kept at 60° to each other, then the number of images formed by them is ______.
Which type of mirror is used in the following?
Kaleidoscope
Role play
Here is a game that a group of children can play. One child will be chosen to act as object and another will act as the image of the object. The object and the image will sit opposite to each other. The object will make movements, such as raising a hand, touching an ear etc. The image will have to make the correct movement following the movement of the object. The rest of the group will watch the movements of the image. If the image fails to make the correct movement, she/he will be retired. Another child will take her/his place and the game will continue. A scoring scheme can be introduced. The group that scores the maximum will be declared the winner.
