Advertisements
Advertisements
प्रश्न
The refractive index of four substances A, B, C, and D are 1.31, 1.43, 1.33, 2.4 respectively. The speed of light is maximum in
विकल्प
A
B
C
D
Advertisements
उत्तर
A
APPEARS IN
संबंधित प्रश्न
What is refraction of light?
State whether the following statement is true of false:
A student says that we can see an object because light from our eyes is reflected back by the object.
Which type of reflection of light leads to the formation of images?
State and explain the laws of reflection of light at a plane surface (like a plane mirror), With the help of a labelled ray-diagram. Mark the angles of 'incidence' and 'reflection' clearly on the diagram. If the angle of reflection is 47.5°, what will be the angle of incidence?
Explain how to read the following message which was found on some blotting paper:
In which material do you think light rays travel faster-glass or air?
What do you understand by refraction of light?
Write scientific reason.
The bottom of a pond appears raised.
If a beam of red light and a beam of violet light are incident at the same angle on the inclined surface of a prism from air medium and produce angles of refraction r and v respectively, which of the following is correct?
Which surface will not reflect most of the light falling on them?
