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प्रश्न
Why do automobile drivers prefer convex mirror as a rear vew mirror? Illustrate your answer.
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उत्तर
A convex mirror always forms a small and upright image between pole and focus. That means in small area of mirror drivers can see all the traffic coming from behind.
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संबंधित प्रश्न
Fill in the blank
We are able to see the objects around us due to _________, reflection.
The following diagram shows a point object O placed in front of a plane mirror. Take two rays from the point O and show how the image of O is formed and seen by the eye.
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What is the distance between you and your image?
What is meant by lateral inversion of an image in a plane mirror ? Explain it with the help of a diagram.
Why are infinite images not seen when two plane mirrors are facing each other?
A converging mirror, forms three times magnified virtual image when an object is placed at a distance of 8 cm from it. Calculate:
- the position of the image
- the focal length of the mirror.
Out of the following, choose the substance which is translucent medium:
Define reflection.
Part of the eye which controls the light entering is called
