What is refraction of light? Explain the laws of refraction.
(N/A) Refraction of light is the phenomenon of change in the path of light as it travels obliquely from one transparent medium to another. This change in direction occurs because the speed of light changes as it moves from one medium to another.
Laws of Refraction:
$1$. The incident ray,the refracted ray,and the normal to the interface of two transparent media at the point of incidence all lie in the same plane.
$2$. Snell's Law: The ratio of the sine of the angle of incidence $(i)$ to the sine of the angle of refraction $(r)$ is constant for a given pair of media and a given color of light. Mathematically,$\frac{\sin i}{\sin r} = n_{21}$,where $n_{21}$ is the refractive index of the second medium with respect to the first.
Laws of Refraction:
$1$. The incident ray,the refracted ray,and the normal to the interface of two transparent media at the point of incidence all lie in the same plane.
$2$. Snell's Law: The ratio of the sine of the angle of incidence $(i)$ to the sine of the angle of refraction $(r)$ is constant for a given pair of media and a given color of light. Mathematically,$\frac{\sin i}{\sin r} = n_{21}$,where $n_{21}$ is the refractive index of the second medium with respect to the first.
Explore More
Similar Questions
In finding out the refractive index of a glass slab,the following observations were made through a travelling microscope: $50$ vernier scale divisions $= 49$ $MSD$; $20$ divisions on the main scale in each $cm$. For a mark on paper:
$MSR = 8.45 \ cm, VC = 26$
For the mark on paper seen through the slab:
$MSR = 7.12 \ cm, VC = 41$
For a powder particle on the top surface of the glass slab:
$MSR = 4.05 \ cm, VC = 1$
($MSR =$ Main Scale Reading,$VC =$ Vernier Coincidence)
The refractive index of the glass slab is:
$MSR = 8.45 \ cm, VC = 26$
For the mark on paper seen through the slab:
$MSR = 7.12 \ cm, VC = 41$
For a powder particle on the top surface of the glass slab:
$MSR = 4.05 \ cm, VC = 1$
($MSR =$ Main Scale Reading,$VC =$ Vernier Coincidence)
The refractive index of the glass slab is:
DifficultJEE MAIN 2024
View Solution$A$ ray of light falls on a transparent glass slab with a refractive index (relative to air) of $1.62$. The angle of incidence for which the reflected and refracted rays are mutually perpendicular is
Medium
View Solution$A$ ray of light travels from air to water to glass and again from glass to air. The refractive index of water with respect to air is $x$,glass with respect to water is $y$,and air with respect to glass is $z$. Which one of the following is correct?
The index of refraction of diamond is $2.0$. The velocity of light in diamond in $cm/s$ is approximately:
Easy
View SolutionIf the ray $CD$ is parallel to the ray $AB$,then:
Medium
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo