EASY
10th Mizoram Board
IMPORTANT
Earn 100

One-half of a convex lens is covered with a black paper. Will this lens produce a complete image of the object?

Important Questions on Light - Reflection and Refraction

MEDIUM
10th Mizoram Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS X>Chapter 10 - Light - Reflection and Refraction>EXERCISES>Q 10
An object 5 cm in length is held 25 cm away from a converging lens of focal length 10 cm. Draw the ray diagram and find the position, size and the nature of the image formed.
EASY
10th Mizoram Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS X>Chapter 10 - Light - Reflection and Refraction>EXERCISES>Q 11
A concave lens of focal length 15 cm forms an image 10 cm from the lens. How far is the object placed from the lens? Draw the ray diagram.
MEDIUM
10th Mizoram Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS X>Chapter 10 - Light - Reflection and Refraction>EXERCISES>Q 12
An object is placed at a distance of 10 cm from a convex mirror of focal length 15 cm. Find the position and nature of the image.
EASY
10th Mizoram Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS X>Chapter 10 - Light - Reflection and Refraction>EXERCISES>Q 13
The magnification produced by a plane mirror is +1. What does this mean? 
HARD
10th Mizoram Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS X>Chapter 10 - Light - Reflection and Refraction>EXERCISES>Q 14
An object 5 cm in length is placed at a distance of 20 cm in front of a convex mirror of radius of curvature 30 cm. Find the position of the image, its nature, and size.
MEDIUM
10th Mizoram Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS X>Chapter 10 - Light - Reflection and Refraction>EXERCISES>Q 15
An object of size 7.0 cm is placed at 27 cm in front of a concave mirror of focal length 18 cm. At what distance from the mirror should a screen be placed so that a sharply focused image can be obtained? Find the size and nature of the image.
EASY
10th Mizoram Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS X>Chapter 10 - Light - Reflection and Refraction>EXERCISES>Q 16
Find the focal length of a lens with power -2.0 diopter. What type of lens is this?
EASY
10th Mizoram Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS X>Chapter 10 - Light - Reflection and Refraction>EXERCISES>Q 17
A doctor has prescribed a corrective lens of power +1.5 D. Find the focal length of the lens. Is the prescribed lens diverging or converging?