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प्रश्न
Define Radius of curvature of the spherical mirror
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उत्तर
The distance between the centre of curvature and between the centre of curvature and pole. It is measured in meter or cm.
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संबंधित प्रश्न
Explain the following term related to spherical lenses:- optical centre
Explain the following term related to spherical lenses: focal length
A diverging lens is used in ______.
State the two convenient rays that are chosen to construct the image by a spherical mirror for a given object? Explain your answer with the help of suitable ray diagrams.
Draw a ray diagram to show the formation of image by a concave mirror for the object beyond its centre of curvature. State three characteristics of the image.
What type of mirror can be used to obtain a real image of an object?
Draw a ray diagram to show the formation of image of an object kept in front of a convex mirror. State three characteristics of the image.
The radius of curvature of a convex mirror is 40 cm. Find its focal length.
The focal length of a concave mirror is 10 cm. Find its radius of curvature.
Define the term Centre of curvature.
Complete the following diagrams shown in the following figures by drawing the reflected rays.
If the focal length of a spherical mirror is 10 cm, what is the value of its radius of curvature?
Name the type of mirror used in the following situation:
Side/rear-view mirror of a vehicle
Support your answer with reason.
A ray of light is incident towards a plane mirror at an angle of 30° with the mirror surface. What will be the angle of reflection?
How tall does a mirror have to be to fit an entire person’s body?
In the figure shown, the image of a real object is formed at the point I. AB is the principal axis of the mirror. The mirror must be:
In normal adjustment, for a refracting telescope, the distance between objective and eye piece is 30 cm. The focal length of the objective, when the angular magnification of the telescope is 2, will be ______.
Define the following terms in the context of a diverging mirror:
- Principal focus
- Focal length
Draw a labelled ray diagram to illustrate your answer.
