Advertisements
Advertisements
प्रश्न
State the two laws of reflection of light.
Advertisements
उत्तर
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
संबंधित प्रश्न
Rays of light incident parallel to the principal axis pass through the focus after reflection from a concave mirror.
The angle of incidence for a ray of light passing through the centre of curvature of a spherical mirror is ...........
A concave mirror forms a virtual image for an object placed ...............................
The diagram in figure shows a ray of light AO falling on a rectangular glass slab PQRS. Complete the diagram till the ray of light emerges out of the slab. Label on the diagram the incident ray, the refracted ray and the emergent ray.
Distinguish between real and virtual image.
Say TRUE or FALSE
The image formed in a pinhole camera is always inverted
Say TRUE or FALSE
The image formed in a plane mirror is upside down
Assertion (A): Virtual objects can’t be seen by the human eye.
Reason (R): Virtual image is formed by converging rays.
Magnification for the ______ image is always ______.
If magnification is +1.5. The image is ______.
