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प्रश्न
Assertion: Incident ray is directed towards the centre of curvature of spherical mirror. After reflection it retraces its path.
Reason: Angle of incidence (i) = Angle of reflection (r) = 0°
पर्याय
If both assertion and reason are true and reason is the correct explanation.
If both assertion and reason are true and reason is not the correct explanation.
If assertion is true but reason is false.
If assertion is false but reason is true.
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उत्तर
If both assertion and reason are true and reason is not the correct explanation.
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संबंधित प्रश्न
Explain the following term related to spherical lenses: focal length
Which are the two convenient rays that are chosen to construct the image by a spherical mirror for a given object? Explain with the help of suitable ray diagrams.
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.
State the position of object for which the image formed by a concave mirror is of same size.
The radius of curvature of a convex mirror is 40 cm. Find its focal length.
An object forms a virtual image which is 1/8th of the size of the object. If the object is placed at a distance of 40 cm from the convex mirror, calculate:
- the position of the image
- the focal length of the convex mirror.
Select the correct option:
Which mirror is used in periscope?
The spherical mirror with a reflecting surface curved inward is called
A shopkeeper wanted to fix a mirror which will give a maximum view of his shop. What type of mirror should he use? Give reason.
