EASY
12th Odisha Board
IMPORTANT
Earn 100

The colour of light which travels with the maximum speed in glass is 

50% studentsanswered this correctly

Important Questions on Refraction, Dispersion and Lens

EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 12 - Refraction, Dispersion and Lens>MODEL QUESTIONS>Q 2
The rising sun appears to be higher in the sky than actually it is.
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 12 - Refraction, Dispersion and Lens>MODEL QUESTIONS>Q 3
Rainbow is formed in the air due to dispersion of light by _____.
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 12 - Refraction, Dispersion and Lens>MODEL QUESTIONS>Q 4

A light ray is refracted from ice to water. The refracted ray bends away from the normal.

EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 12 - Refraction, Dispersion and Lens>MODEL QUESTIONS>Q 5
Refractive index  _____ with the increase in wavelength of light.
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 12 - Refraction, Dispersion and Lens>MODEL QUESTIONS>Q 6
The absolute refractive index of the medium is always greater than one.
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 12 - Refraction, Dispersion and Lens>MODEL QUESTIONS>Q 7
An astronaut in the spaceship sees the sky away from the sun as _____:
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 12 - Refraction, Dispersion and Lens>MODEL QUESTIONS>Q 8
Does transparency of a medium depends upon it's thickness?
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 12 - Refraction, Dispersion and Lens>MODEL QUESTIONS>Q 9

When a glass slab is placed on a cross made on a sheet, the cross appears raised up by 1 cm. Thickness of the glass is 3 cm. What is the critical angle of the glass?

(Answer correct to two decimal places)