EASY
10th Andhra Pradesh Board
IMPORTANT
Earn 100

Draw the ray diagram and explain the nature and position of the image when the object is at 2F.

Important Questions on Refraction of Light at Curved Surfaces

EASY
10th Andhra Pradesh Board
IMPORTANT
Physical Science Class 10>Chapter 4 - Refraction of Light at Curved Surfaces>Improve your learning>Q 13
Draw the ray diagram if the object is placed between F and optic centre and explain the nature and position of the image.
MEDIUM
10th Andhra Pradesh Board
IMPORTANT
Physical Science Class 10>Chapter 4 - Refraction of Light at Curved Surfaces>Improve your learning>Q 14
Find the refractive index of the glass which is a symmetrical convergent lens if its focal length is equal to the radius of curvature to its surface.
MEDIUM
10th Andhra Pradesh Board
IMPORTANT
Physical Science Class 10>Chapter 4 - Refraction of Light at Curved Surfaces>Improve your learning>Q 15
The distance between two point sources of light is 24 cm. Where should a convergent lens with a focal length of f=9 cm be placed between them to obtain the images of both sources at the same point?
MEDIUM
10th Andhra Pradesh Board
IMPORTANT
Physical Science Class 10>Chapter 4 - Refraction of Light at Curved Surfaces>Fill in the blanks>Q 4
The focal length of a plano convex lens is 2R where R is the radius of curvature of the surface. Then the refractive index of the material of the lens is _____.
EASY
10th Andhra Pradesh Board
IMPORTANT
Physical Science Class 10>Chapter 4 - Refraction of Light at Curved Surfaces>Fill in the blanks>Q 5
The lens which can form real and virtual image is _____ lens.
EASY
10th Andhra Pradesh Board
IMPORTANT
Physical Science Class 10>Chapter 4 - Refraction of Light at Curved Surfaces>Multiple choice questions>Q 1
Which one of the following cannot be used to make lenses?
MEDIUM
10th Andhra Pradesh Board
IMPORTANT
Physical Science Class 10>Chapter 4 - Refraction of Light at Curved Surfaces>Multiple choice questions>Q 2
Which of the following is true?
EASY
10th Andhra Pradesh Board
IMPORTANT
Physical Science Class 10>Chapter 4 - Refraction of Light at Curved Surfaces>Multiple choice questions>Q 3
Focal length of a plano-convex lens is _____ when its radius of curvature of the surface is R and n is the refractive index of the lens.