MEDIUM
10th CBSE
IMPORTANT
Earn 100

"A convex lens can form a magnified, erect as well as inverted image of an object placed in front of it”. Draw ray diagram to justify this statement stating the position of the object with respect to the lens in each case.

Important Questions on Reflection and Refraction

MEDIUM
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 4 - Reflection and Refraction>Practice Exercise 4D>Q 9
An object of height 4 cm is placed at a distance of 20 cm from a concave lens of focal length 10 cm. Use lens formula to determine the position of the image formed.
MEDIUM
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 4 - Reflection and Refraction>Practice Exercise 4D>Q 10
What is meant by power of a lens? What does its sign (+ ve or -ve) indicate? State its SI unit. How is it related to the focal length of a lens?
MEDIUM
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 4 - Reflection and Refraction>Practice Exercise 4D>Q 11
Draw ray diagrams to show the formation of three times magnified (a) real and (b) virtual image of an object by a converging lens. Mark the positions of O, F and 2F in each diagram.
EASY
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 4 - Reflection and Refraction>PRACTICE QUESTIONS>Q 1
The image of a distant object is obtained on a screen by using a concave mirror. The focal length of the mirror is measured by the distance between
EASY
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 4 - Reflection and Refraction>PRACTICE QUESTIONS>Q 2

The focal length of the concave mirror in the experimental set up shown below is:

Question Image

EASY
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 4 - Reflection and Refraction>PRACTICE QUESTIONS>Q 3
If a laser beam is allowed to fall along the principal axis of a concave mirror, the ray will:
EASY
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 4 - Reflection and Refraction>PRACTICE QUESTIONS>Q 4
The correct ray diagram is
EASY
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 4 - Reflection and Refraction>PRACTICE QUESTIONS>Q 5
If R is the radius of curvature of a mirror and f is its focal length then