Advertisements
Advertisements
प्रश्न
What is a real image?
Advertisements
उत्तर
When the rays of light diverging from a point, after reflection of refraction, actually converge at some point, then that point is the real image of the object.
संबंधित प्रश्न
State four characteristics of the image formed by a plane mirror.
An object is placed 2 cm from a plane mirror. If the object is moved by 1 cm towards the mirror, what will be the distance between the object and its new image?
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.
Copy the figure. By taking two rays from point A, show the formation of image. State four characteristics of the image.

State whether the following statement is true or false. If false, correct it.
If the incident ray makes an angle of Xo with the normal, then the reflected ray is 2Xo.
Locate the image termed when the object is placed between two planes as shown in the following figure.

A ray of light is travelling in a direction perpendicular to the boundary of a parallel glass slab. The ray of light ______.
Why does a light ray incident on a rectangular glass slab immersed in any medium emerges parallel to itself? Explain using a diagram.
