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प्रश्न
What do you understand by the term real image?
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उत्तर
Real image: When rays of light after reflection or refraction actually meet at some other point” the image is real.
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संबंधित प्रश्न
What is a virtual image?
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.
Define the following terms in the context of spherical mirrors :
(i) Pole
(ii) Centre of curvature
(iii) Radius of curvature
(iv) Principal axis
Name the kind of mirror used to obtain:
A real and diminished image.
State the kind of mirror used
(a) By a dentist,
(b) As a search-light reflector.
Define the following term in relation to concave mirror.
Principal focus
The spherical mirror used as a rear view mirror in the vehicle is
