EASY
10th Telangana Board
IMPORTANT
Earn 100

Draw ray diagrams for the following position of a convex lens and explain the nature and position of image.

Object is placed at C2 (center of curvature of second lens)

Important Questions on Refraction of Light at Curved Surfaces

EASY
10th Telangana Board
IMPORTANT
Physical Science Class 10>Chapter 4 - Refraction of Light at Curved Surfaces>Improve your learning>Q 4

Draw ray diagrams for the following position of a convex lens and explain the nature and position of image.

Object is placed between (focus) F2 and optic centre P.

HARD
10th Telangana Board
IMPORTANT
Physical Science Class 10>Chapter 4 - Refraction of Light at Curved Surfaces>Improve your learning>Q 1
Man wants to get a picture of a zebra. He photographed a white donkey after fitting a glass, with black stripes on to the lens of his camera. What photo will he get? Explain.
MEDIUM
10th Telangana Board
IMPORTANT
Physical Science Class 10>Chapter 4 - Refraction of Light at Curved Surfaces>Improve your learning>Q 2
Two converging lenses are to be placed in the path of parallel rays so that the rays remain parallel after passing through both lenses. How should the lenses be arranged? Explain with a neat ray diagram.
MEDIUM
10th Telangana Board
IMPORTANT
Physical Science Class 10>Chapter 4 - Refraction of Light at Curved Surfaces>Improve your learning>Q 3
The focal length of a converging lens is 20 cm. A 2 cm height object is 60 cm from the lens. Where will the image be formed and what kind of image is it? And also find the height of the image.
MEDIUM
10th Telangana Board
IMPORTANT
Physical Science Class 10>Chapter 4 - Refraction of Light at Curved Surfaces>Improve your learning>Q 4
A double convex lens has two surfaces of equal radii R and refractive index n=1.5. Find the focal length f?
MEDIUM
10th Telangana Board
IMPORTANT
Physical Science Class 10>Chapter 4 - Refraction of Light at Curved Surfaces>Improve your learning>Q 5
Harsha tells Siddhu that the double convex lens behaves like a convergent lens. But Siddhu knows that Harsha’s assertion is wrong and corrected Harsha by asking some questions. What are the questions asked by Siddhu?
MEDIUM
10th Telangana Board
IMPORTANT
Physical Science Class 10>Chapter 4 - Refraction of Light at Curved Surfaces>Improve your learning>Q 6
Can a virtual image be photographed by a camera?
MEDIUM
10th Telangana Board
IMPORTANT
Physical Science Class 10>Chapter 4 - Refraction of Light at Curved Surfaces>Improve your learning>Q 7
How do you appreciate the coincidence of the experimental facts with the results obtained by a ray diagram in terms of behaviour of images formed by lenses?