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प्रश्न
If the focal length of a spherical mirror is 10 cm, what is the value of its radius of curvature?
विकल्प
10 cm
5 cm
20 cm
15 cm
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उत्तर
20 cm
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संबंधित प्रश्न
A student obtains a sharp image of the distant window (W) of the school laboratory on the screen (S) using the given concave mirror (M) to determine its focal length. Which of the following distances should he measure to get the focal length of the mirror?
Explain the following term related to spherical lenses: focal length
What is a virtual image?
A virtual image larger than the object can be produced by a ______.
Define the following term in relation to concave mirror.
Aperture
What do you understand by the term real image?
Geometric centre of the spherical mirror is ______.
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.
