Advertisements
Advertisements
Question
Explain why, a real image can be projected on a screen but a virtual image cannot.
Solution
A real image can be projected on a screen unlike a virtual image because a real image is formed by the actual meeting of light rays. A virtual image, on the other hand, is not formed by the actual meeting of light rays.
APPEARS IN
RELATED QUESTIONS
An object is placed at a distance of 40 cm in front of a convex mirror of radius of curvature 40 cm. List four characteristics of the image formed by the mirror.
Which mirror has a wider field of view?
Draw the given diagram in your answer book and complete it for the path of a ray of light after passing through the lens.
Name two factors on which the focal length of a lens depends.
Draw ray diagrams to represent the nature, position and relative size of the image formed by a convex lens for the object placed:
between F1 and the optical centre O of the lens.
Which of the above two cases shows the use of convex lens as a magnifying glass? Give reasons for your choice.
A ray of light passing through centre of curvature of a spherical mirror, after reflection
A driver uses a convex mirror as a rearview mirror. Explain the reason with the help of a ray diagram.
Numerical problem.
A concave mirror produces three times magnified real image of an object placed at 7 cm in front of it. Where is the image located? (Ans: 21 cm in front of the mirror)
The nature of image formed by a convex mirror when the object distance from the mirror is less than the distance between pole and focal point (F) of the mirror would be ______.
The image formed by a convex mirror is always ______.
