Physics
Identify the incorrect statement :
- A real image is formed due to actual intersection of the rays refracted by the lens.
- A virtual image can be obtained on the screen.
- A virtual image is erect with respect to the object.
- A real image is inverted with respect to the object.
Related Questions
Complete the path of the rays of light incident on a convex lens of refractive index μ1, when it is kept in medium of different refractive index μ2.
(a) μ1 > μ2
(b) μ1 = μ2
(c) μ1 < μ2
Which of the ray diagrams are correct ?
1.
2.
3.
4.
A ray diagram for a convex lens is shown below. In this manner, a convex lens is used in :
- camera
- cinema
- burning glass
- terrestrial telescope
For an object placed at a distance 20 cm in front of a convex lens, the image is at a distance 20 cm behind the lens. The focal length of the convex lens is:
- 20 cm
- 10 cm
- 15 cm
- 40 cm.