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प्रश्न
What type of image is formed:
in a plane mirror?
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उत्तर
The image formed in a plane mirror is virtual because it is formed inspite of there not being an actual meeting of the light rays.
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संबंधित प्रश्न
Explain the following term related to spherical lenses:- centres of curvature
Explain the following term related to spherical lenses:- principal axis
Explain the following term related to spherical lenses:- principal focus
A concave mirror always forms a real image.
Name the two types of spherical mirrors. What type of mirror is represented by the:
back side of a shining steel spoon?
Write true or false
A virtual image formed by a spherical mirror is always erect and situated behind the mirror.
Define the following terms in the context of spherical mirrors :
(i) Pole
(ii) Centre of curvature
(iii) Radius of curvature
(iv) Principal axis
Define the terms pole, principal axis and centre of curvature with reference to a spherical mirror.
Name the kind of mirror used to obtain:
A virtual and enlarged image
Name the kind of mirror used to obtain:
A virtual and diminished image
What is meant by magnification? Write its expression. What is its sign for the (a) real (b) virtual, image?
Select the correct option:
Which mirror is used in periscope?
A concave mirror can be used to produce a parallel beam of light. Draw a ray to illustrate this.
Define focal length.
In torches, search lights and headlights of vehicles the bulb is placed ______.
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 ______.
