Advertisements
Advertisements
प्रश्न
A glass block is having refractive index 3/2, the light ray is incident at an angle 45°. Find the sine of the angle of, refraction inside the glass block.
Advertisements
उत्तर
∵ According to Snell's law of refraction:
n = `sin"i"/sin"r"`
`3/2=(sin45°)/sin"r"`
⇒ `3/2=(1//sqrt2)/sin"r"`
sin r = `2/(3sqrt2)`
= `sqrt2/3`
संबंधित प्रश्न
What is a spectrum?
Write the relation between the angle of incidence and the angle of refraction for a medium.
A ray of light of wavelength 6600 Å suffer refraction from air to glass. Taking \[\ce{_a\mu_g = \frac{3}{2}}\], find the wavelength of light in glass.
Select from the following the best set-up for tracing the path of a ray of light through a rectangular glass slab:
(A) I
(B) II
(C) III
(D) IV
Which colour of light travels fastest in any medium except air?
What is the refractive index of water
Draw ray of light bending towards the normal while passing from air to glass. Label your diagrams.
In the diagram alongside a ray of light, PQ is incident normally on one face AB of an equilateral glass prism. What is the angle of incidence at the faces AB and AC?
The speed of light in air is 3 × 108 ms-1. Calculate the speed of light in water. The refractive index of water is 4/3.
