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प्रश्न
What is a mirror formula?
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उत्तर
Mirror formula is the relation between the focal length f of the mirror, the distance u of the object from the pole of the mirror, and the distance v of the image from the pole.
Mirror formula is
1/v +1/u = 1/f.
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संबंधित प्रश्न
Give one use each of a concave and a convex mirror.
The shiny outer surface of a hollow sphere of aluminium of radius 50 cm is to be used as a mirror:
State whether this spherical mirror will diverge or converge light rays.
A diverging lens is used in:
(a) a magnifying glass
(b) a car to see objects on rear side
(c) spectacles for the correction of short sight
(d) a simple camera
How is the focal length of a spherical mirror related to its radius
Answer the following question.
Write the modification in the curvature of the eye lens which enables us to see the nearby objects clearly?
Does the mirror name by your form a real image for all locations? Give a reason for your answer.
The distance from the pole to the focus is called ______.
Define the following terms in the context of a diverging mirror:
- Principal focus
- Focal length
Draw a labelled ray diagram to illustrate your answer.
