Refraction of Light

When light travel from  air to glass it

• bend away from normal

• bend towards the normal

• does not bend

• none of these

When light undergoes refraction which of the following property of light remains constant?

• speed
• intensity
• wavelength
• frequency

A material medium having the lowest optical density is:

• Water

• Glass

• Air

• Diamond

What happens to light when it travels from glass to air?

• bend away from normal

• bend towards the normal

• does not bend

• none of these

What is the phenomenon called when light changes speed as it moves from one medium to another?

• reflection

• refraction

• diffraction

• polarization

When the light travels from one medium to another medium of different refractive index, then which of the following will change?

• Wavelength and speed

• Frequency and wavelength

• Frequency and speed

• Frequency, wavelength and speed

Which of the following is true about the speed of light in different mediums?

• Light always travels at the same speed regardless of the medium

• Light travels faster in denser mediums

• Light travels slower in denser mediums

• Light speed is not affected by the medium

Refraction is caused due  to

• change in wavelength of light

• change in frequency of light

• change in speed of light

• change in wavelength of light

  and change in frequency of light

• 2.32

• 1.03

• 1.33

• 2.33

The refractive indices of kerosene oil, water and turpentine oil are 1.44, 1.33, 1.47 respectively.

In which of these material light travel faster?

• Kerosene oil

• Turpentine oil

• Water

• None