EASY
8th Chhattisgarh Board
IMPORTANT
Earn 100

Draw a ray diagram when the object is placed between optical center and principal focus of a convex lens.

Important Questions on Refraction of Light

EASY
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 9 - Refraction of Light>NOW ANSWER THESE>Q 4
Glass is denser than water. So will the refractive index of air to glass and air to water be more or less?
EASY
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 9 - Refraction of Light>NOW ANSWER THESE>Q 2
Define focus.
EASY
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 9 - Refraction of Light>QUESTIONS FOR PRACTICE>Q 1
The refractive index of glass is
EASY
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 9 - Refraction of Light>QUESTIONS FOR PRACTICE>Q 1
When light passes from one medium to another, it deviates from its path. This called :-
EASY
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 9 - Refraction of Light>QUESTIONS FOR PRACTICE>Q 1
When the object is placed at 2F, the image formed by a convex lens will be at:-
EASY
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 9 - Refraction of Light>QUESTIONS FOR PRACTICE>Q 3
What do you understand by refractive index of a medium?
EASY
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 9 - Refraction of Light>QUESTIONS FOR PRACTICE>Q 3
What is long-sightedness? How can it be rectified? Explain with diagram.
HARD
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 9 - Refraction of Light>QUESTIONS FOR PRACTICE>Q 3
Explain with the help of an activity that the incident ray the normal at the point of incidence and the reflected ray all lie in the same plane.