Advertisements
Advertisements
Question
Write down a formula for the magnification produced by a concave mirror.
in terms of height of object and height of image
Solution
The formula for the magnification (m) produced by a concave mirror,
(a)In terms of the height of an object (h) and the height of an image (h') is as follows:
Magnification (m)=`"hight of image"/"hight of object"`
APPEARS IN
RELATED QUESTIONS
The image formed by a concave mirror is observed to be virtual, erect and larger than the object. Where should the position of the object be relative to the mirror? Draw ray diagram to justify your answer.
Draw a ray diagram to show the path of the reflected ray corresponding to an incident ray of light parallel to the principal axis of a concave mirror. Mark the angle of incidence and angle of reflection on it.
Which type of mirror is used by a dentist?
ill in the following blank with suitable word:
For a convex mirror, parallel rays of light appear to diverge from a point called the ......... .
An object is placed at the following distances from a concave mirror of focal length 15 cm, turn by turn:
(a) 35 cm
(b) 30 cm
(c) 20 cm
(d) 10 cm
Which position of the object will produce:
(i) a magnified real image?
(ii) a magnified virtual image?
(iii) a diminished real image?
(iv) an image of same size as the object?
Why are concave mirrors used in solar devices?
Explain the images formed by a concave mirror.
Large ______ mirrors are used to concentrate sunlight to produce heat in solar furnaces.
Rays from Sun converge at a point 15 cm in front of a concave mirror. Where should an object be placed so that size of its image is equal to the size of the object?
What is a concave and convex mirror?
