MEDIUM
10th Manipur Board
IMPORTANT
Earn 100

An object is placed at a distance of 15 cm in front of a concave lens of focal length 30 cm. Find the nature and position of the image.

Important Questions on Light

MEDIUM
10th Manipur Board
IMPORTANT
Science for Class 10>Chapter 11 - Light>Try to answer>Q 1
An eye only feels comfortable in reading the book when keeping at a distance of 50 cm. What is the defect? What type of lens will be used to rectify the defect?
MEDIUM
10th Manipur Board
IMPORTANT
Science for Class 10>Chapter 11 - Light>Try to answer>Q 2
A defective eye cannot see distinctly the object beyond 1 m clearly. What is the defect? What is the power of the lens required to rectify the defect?
EASY
10th Manipur Board
IMPORTANT
Science for Class 10>Chapter 11 - Light>Try to answer>Q 1
In the morning in which direction may you observe a rainbow?
MEDIUM
10th Manipur Board
IMPORTANT
Science for Class 10>Chapter 11 - Light>EXERCISE>Q 1
What are the properties of the principal focus of a concave mirror?
MEDIUM
10th Manipur Board
IMPORTANT
Science for Class 10>Chapter 11 - Light>EXERCISE>Q 2
The image formed by a concave mirror is observed to be real, inverted and larger than the object. Where should be the position of the object?
MEDIUM
10th Manipur Board
IMPORTANT
Science for Class 10>Chapter 11 - Light>EXERCISE>Q 3
You are given three mirrors- convex, concave and plane appearing identical. How can you identify them without touching?
MEDIUM
10th Manipur Board
IMPORTANT
Science for Class 10>Chapter 11 - Light>EXERCISE>Q 8
Why do we prefer a convex mirror as a rear-view mirror in vehicles?
EASY
10th Manipur Board
IMPORTANT
Science for Class 10>Chapter 11 - Light>EXERCISE>Q 9
The radius of curvature of a spherical mirror is 40 cm. What is its focal length in centimetres?