Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
A concave mirror forms an enlarged virtual image when the object is kept between focus, F and pole, P
APPEARS IN
संबंधित प्रश्न
A student focused the Sun rays using an optical device 'X' on a screen S as shown.
From this it may be concluded that the device 'X' is a (select the correct option)
(A) Convex lens of focal length 10 cm.
(B) Convex lens of radius of curvature 20 cm.
(C) Convex lens of focal length 20 cm.
(D) Concave mirror of focal length 20 cm.
Complete the following sentence:
All the distances are measured from the .......... of a spherical mirror.
The shiny outer surface of a hollow sphere of aluminium of radius 50 cm is to be used as a mirror:
Which type of spherical mirror will it provide?
Explain the following term:
Incident ray
Draw diagram/diagrams to show them.
A straight stick partly dipped in water obliquely appears to be bent at the surface of the water.
Define the following term in relation to concave mirror.
Radius of curvature
Define the term Normal.
Spherical mirrors are one form of ______ mirrors.
Define the following terms in the context of a diverging mirror:
- Principal focus
- Focal length
Draw a labelled ray diagram to illustrate your answer.
