Advertisements
Advertisements
Question
State the two laws of reflection of light.
Solution
Laws of reflection:
- The incident ray, the reflected ray and the normal ray at the point of incidence, lie in the same plane.
- The angle of incidence i is equal to the angle of reflection r i.e. ∠i = ∠r
APPEARS IN
RELATED QUESTIONS
A virtual image formed by a spherical mirror is always erect and situated behind the mirror.
The angle of incidence for a ray of light passing through the centre of curvature of a spherical mirror is ...........
Give two characteristics of the virtual image formed by a convex lens.
State the changes in the position, size and nature of the image when the object is brought from infinity up to the convex lens. Illustrate your answer by drawing ray diagrams.
The image formed by a pinhole camera is inverted because,
Figure shows a pencil placed above a mirror
- Draw its image formed by the mirror
- Show how light rays from the object are reflected at the mirror to form the image for the eye.
A person is looking at the image of a tree in a mirror placed 3.5 m in front of him. Given that the tree is at 0.5 m behind his eyes. Find the distance between the image of the tree and his eyes. What are needed to see an object?
The image formed by a plane mirror is ______.
Magnification for the ______ image is always ______.
A concave lens produces only ______ image.
