On a hot summer night, the refractive index of air is minimum near the ground and increase with height from the ground. When a light beam is directed horizontally, the Huygen's principle leads us to conclude that as it travels, the light beam

becomes narrower

No worries! We‘ve got your back. Try BYJU‘S free classes today!

goes horizontally without any deflection

No worries! We‘ve got your back. Try BYJU‘S free classes today!

bends downwards

No worries! We‘ve got your back. Try BYJU‘S free classes today!

bends upwards

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D bends upwards
Every point on the horizontal ray of light behaves as a source of light. Thus the secondary rays which are directed towards denser medium would bend towards the normal. This phenomena causes the bending of the rays upwards.

Suggest Corrections

Similar questions

On a hot summer night, the refractive index of air is smallest near the ground and increases with height from the ground. When a light beam is directed horizontally, the Huygens’ principle leads us to conclude that as it travels, the light beam:

Q. A beam of light passes through a sheet of plastic and out into the air. The beam makes

θ_{1}

angles with the normal as it passes through the plastic and the angle the beam of light makes with the normal as it passes into the air is

θ_{2}

. The refractive index for air is

1

and The refractive index for plastic is

2

.
Find out the minimum incident angle for which the light will undergo total internal reflection in the plastic?

Q. (a) Define wavefront. Use Huygens' principle to verify the laws of refraction.
(b) How is linearly polarised light obtained by the process of scattering of light ? Find the Brewster angle for air-glass interface, when the refractive index of glass =1.5.

Q. When unpolarised light beam is incident on glass from air, such that reflected beam is perpendicular to refracted beam, then

Join BYJU'S Learning Program

On a hot summer night, the refractive index of air is minimum near the ground and increase with height from the ground. When a light beam is directed horizontally, the Huygen's principle leads us to conclude that as it travels, the light beam

The correct option is D bends upwardsEvery point on the horizontal ray of light behaves as a source of light. Thus the secondary rays which are directed towards denser medium would bend towards the normal. This phenomena causes the bending of the rays upwards.

The correct option is D bends upwards
Every point on the horizontal ray of light behaves as a source of light. Thus the secondary rays which are directed towards denser medium would bend towards the normal. This phenomena causes the bending of the rays upwards.