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प्रश्न
Choose the correct alternative and rewrite the following:
Mirror used by a dental surgeon is ..........................
पर्याय
plane
convex
concave
convex and concave
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उत्तर
concave
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संबंधित प्रश्न
Explain the following term related to spherical lenses:- principal focus
An image which can be obtained on a screen is called a ______ image.
A concave mirror always forms a real image.
A ray of light is incident on a plane mirror at an angle of 30°. What is the angle of reflection
When a spherical mirror is held towards the sun and its sharp image is formed on a piece of a carbon paper for some time, a hole is burnt in the carbon paper.
What is the nature of spherical mirror?
What is a spherical mirror?
Name the kind of mirror used to obtain
(a) a real and enlarged image
(b) a virtual and enlarged image
(c) a real and diminished image, and
(d) a virtual and diminished image.
Define the following terms in the context of spherical mirrors :
(i) Pole
(ii) Centre of curvature
(iii) Radius of curvature
(iv) Principal axis
What type of mirror can be used to obtain a real image of an object?
Name the kind of mirror used to obtain:
A virtual and diminished image
Answer the following question.
Write the modification in the curvature of the eye lens which enables us to see the nearby objects clearly?
Select the correct option:
A mirror forms a virtual image (diminished) of an object, whatever be the position of object:
Define the following term in relation to concave mirror.
Center of curvature
Define the following term in relation to concave mirror.
Principal axis
Complete the following diagrams shown in the below figure by drawing the reflected ray for each incident ray.
The diagram below shows the parallel rays incident on a convex mirror. C is the centre of the curvature of the mirror. By drawing the paths of the reflected rays, label the focus F and hence find the focal length of the mirror.
Define focal length.
