Advertisements
Advertisements
प्रश्न
Two big mirrors A and B are fitted side by side on a wall. A man is standing at such a distance from the wall that he can see the erect image of his face in both the mirrors. When the man starts walking towards the mirrors, he find that the size of his face in mirror A goes on increasing but that in mirror B remains the same.
(a) mirror A is concave and mirror B is convex
(b) mirror A is plane and mirror B is concave
(c) mirror A is concave and mirror B is plane
(d) mirror A is convex and mirror B is concave
उत्तर
Image formed by a plane mirror is virtual, erect and of the same size as the object.
Image formed by a concave mirror is virtual,erect and larger than the object.
APPEARS IN
संबंधित प्रश्न
An object is placed at a distance of 10 cm from a convex mirror of focal length 15 cm. Find the position and nature of the image.
A diverging mirror is
(a) a plane mirror
(b) a convex mirror
(c) a concave mirror
(d) a shaving mirror
Why can you not use a concave mirror as a rear-view mirror in vehicles?
If a driver has one convex and one plane rear-view mirror, how would the images in each mirror appear different?
The radius of curvature of a convex mirror used as a rear view mirror in a moving car is 12.0 m. A truck is coming from behind it at a distance of 3.54 m. Calculate (a)
- position and
- size of the image relative to the size of the truck.
- What will be the nature of the image?
Draw a diagram to represent a convex mirror. On this diagram mark principal axis, principal focus F and the centre of C if the focal length of convex mirror is 3 cm.
What is the effect on the size and position of the image of moving the object (i) towards the lens, and (ii) away from the lens?
Nature of the images formed by a convex mirror is _______.
When the reflecting surface is curved outwards the mirror formed will be ______.
A full length image of a distant tall building can definitely be seen by using ______.
