Advertisements
Advertisements
प्रश्न
A ray of light when passes from glass to air, bends towards the normal.
पर्याय
True
False
Advertisements
उत्तर
False.
APPEARS IN
संबंधित प्रश्न
What is lateral inversion? Explain by giving a suitable example.
State the uses of plane mirrors.
An object is placed 20 cm in front of a plane mirror. The mirror is moved 2 cm towards the object. The distance between the positions of the positions of the original and final images seen in the mirror is ______.
A vertical ray of light strikes the horizontal surface of some water:
- What is the angle of incidence?
- What is the angle of refraction?
A real image is formed by the light rays after reflection or refraction when they:
- actually meet or intersect with each other.
- actually converge at a point.
- appear to meet when they are produced in the backward direction.
- appear to diverge from a point.
Which of the above statements are correct?
The speed of light varies in different media.
Write scientific reason.
A pencil appears to be broken near the surface of water.
The ratio of the sine of the angle of incidence to the sine of ______ is constant.
How do twinkling stars occur? (or) what is the cause of the twinkling of stars?
When a ray of light travels normal to the given surface, then the angle of refraction is ______.
