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प्रश्न
How is a spherical mirror used to diverge a beam of light from a point? Name the type of mirror used.
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उत्तर
In the case of a convex mirror, the reflected rays diverge and do not meet at a point after reflection. They appear to come from a point’ F on the principal axis.
The type of mirror used is a CONVEX mirror.
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संबंधित प्रश्न
Explain the following term related to spherical lenses:- principal axis
The letter F is placed in front of a plane mirror:
What is the name of the phenomenon involved?
Write the mirror formula. Give the meaning of each symbol which occurs in it.
A 50 cm tall object is at a very large distance from a diverging lens. A virtual, erect and diminished image of the object is formed at a distance of 20 cm in front of the lens. How much is the focal length of the lens?
State the types of mirrors used for (i) headlights and (ii) rear view mirror, in cars and motorcycles. Give to justify your answer in each case.
Choose the correct alternative and rewrite the following:
Mirror used by a dental surgeon is ..........................
Find the height of the image of a body of height 1.5m in a mirror with a magnification of 1.5.
Define the following terms in the context of a diverging mirror:
- Principal focus
- Focal length
Draw a labelled ray diagram to illustrate your answer.
