Advertisements
Advertisements
प्रश्न
State three ways in which the image formed in a plane mirror differs from the image formed in a pin hole camera.
उत्तर
Image formed by plane mirror :
- Image formed by plane mirror is virtual.
- It can not be obtained on the screen.
- Size of image is same as that of the object.
- Image appears to be inverted only on the vertical axis.
Image formed by Pinhole camera :
- Image formed by pinhole camera is real.
- It can be obtained on the screen.
- Size of the image is smaller than the object.
- Image appears to be inverted on both the vertical axis and horizontal axis.
APPEARS IN
संबंधित प्रश्न
The perpendicular to the mirror at the point of incidence is called ______.
Describe the principle of simple periscope through an outline ray diagram. Give one of its uses.
An object 1.5 cm high when placed in front of a concave. the mirror produces a virtual image 3 cm high. If the object is placed at a distance of 6 cm from the pole of the mirror, calculate:
- the position of the image
- the focal length of the mirror.
Compare the characteristics of an image formed by a convex mirror and a concave mirror, when object is beyond center of curvature, but not at infinity.
Define reflection.
Say TRUE or FALSE
We see planets because they reflect light from the sun
