EASY
10th West Bengal Board
IMPORTANT
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Why is a convex lens called as a converging lens?

Important Questions on Light

EASY
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 5 - Light>EXERCISE>Q 4
Which type of image is formed in a camera lens? In human eye, where is the image formed?
EASY
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 5 - Light>EXERCISE>Q 5
Draw reflected rays for the incident rays parallel to the principal axis of a convex lens. Mark focus of the lens.
EASY
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 5 - Light>EXERCISE>Q 6
What is meant by the term refractive index of a medium?
EASY
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 5 - Light>EXERCISE>Q 7
Why does a red flower look red in daylight?
EASY
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 5 - Light>EXERCISE>Q 8
Why does the colour of sky looks blue during day time?
HARD
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 5 - Light>EXERCISE>Q 1
How would you establish the relationship between focal length and radius of curvature of a concave mirror?
MEDIUM
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 5 - Light>EXERCISE>Q 2
Give an account of virtual images formed by plane, convex and concave mirrors.
EASY
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 5 - Light>EXERCISE>Q 3
How a convex lens can be used as a magnifying lens? Explain with a ray diagram.