Advertisements
Advertisements
Question
Advertisements
Solution
APPEARS IN
RELATED QUESTIONS
Explain the following term related to spherical lenses:- centres of curvature
Define (a) centre of curvature (b) radius of curvature (c) pole (d) principal axis, and (e) aperture, of a spherical mirror with the help of a labelled diagram
Complete the following sentence:
All the distances are measured from the .......... of a spherical mirror.
How is a spherical mirror used to diverge a beam of light from a point? Name the type of mirror used.
Draw suitable diagrams to illustrate the action of (i) concave mirror and (ii) convex mirror on a beam of light incident parallel to the principal axis.
An object 5 cm high is placed at a distance 60 cm in front of a concave mirror of focal length 10 cm. Find the position and size of the image.
An object 5 cm high forms a virtual image of 1.25 cm high, when placed in front of a convex mirror at a distance of 24 cm. Calculate:
- the position of the image
- the focal length of the convex mirror.
A concave mirror can be used to produce a parallel beam of light. Draw a ray to illustrate this.
Name the type of mirror used in the following situation:
Solar furnace
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?
