EASY
10th Tamil Nadu Board
IMPORTANT
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According to Rayleigh’s scattering law, the amount of scattering of light is inversely proportional to the fourth power of its .

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Important Questions on Optics

EASY
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 2 - Optics>TEXTBOOK EVALUATION>Q 5
Amount of light entering into the eye is controlled by the _____.
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 2 - Optics>TEXTBOOK EVALUATION>Q 1
Check the given statement is true or False. If false correct it.
Velocity of light is greater in denser medium than in rarer medium.
EASY
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 2 - Optics>TEXTBOOK EVALUATION>Q 2
Check the given statement is true or False. If false correct it.
The power of lens depends on the focal length of the lens.
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 2 - Optics>TEXTBOOK EVALUATION>Q 3
Check the given statement is true or False. If false correct it.
Increase in the converging power of eye lens cause hypermetropia.
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 2 - Optics>TEXTBOOK EVALUATION>Q 4
Check the given statement is true or False. If false correct it.
The convex lens always gives small virtual image.
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 2 - Optics>TEXTBOOK EVALUATION>Q 1
What is refractive index?
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 2 - Optics>TEXTBOOK EVALUATION>Q 2
State Snell’s law.
HARD
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 2 - Optics>TEXTBOOK EVALUATION>Q 3
Draw a ray diagram to show the image formed by a convex lens when the object is placed between F and 2F.