Advertisements
Advertisements
प्रश्न
Name the kind of mirror used to obtain :
A real and enlarged image
Advertisements
उत्तर
Concave
APPEARS IN
संबंधित प्रश्न
Define the following term in the context of spherical mirrors:- Pole
State the direction of incident ray which after reflection from a spherical mirror gets reflected along its own path. Give a reason.
The letters on the front of an ambulance are written laterally inverted like 
. Give reason.
For an incident ray directed towards centre of curvature of a spherical mirror the reflected ray:
At what distance from a concave mirror of focal length 25 cm should an object be placed so that the size of image is equal to the size of the object.
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.
Draw a ray diagram to show that a convex mirror has a wider field of view.
Define focal length.
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 ______.
