MEDIUM
10th CBSE
IMPORTANT
Earn 100

Differentiate between myopia and hypermetropia.

Important Questions on The Human Eye and The Colourful World

MEDIUM
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 2 - Part -1>The Human Eye and The Colourful World>Q 19
Explain an activity to understand the blue colour of the sky and the reddish appearance of the Sun at sunrise or sunset.
MEDIUM
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 2 - Part -1>The Human Eye and The Colourful World>Q 1
When light rays pass from air into glass prism, do they refract towards or away from the normal?
MEDIUM
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 2 - Part -1>The Human Eye and The Colourful World>Q 2
Which among the two scatters more easily: Light having shorter wavelength or light having longer wavelength?
MEDIUM
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 2 - Part -1>The Human Eye and The Colourful World>Q 3
Name one defect of vision which cannot be corrected by any type of spectacle lens.
MEDIUM
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 2 - Part -1>The Human Eye and The Colourful World>Q 4
What is Tyndall effect? Explain it with an example.
MEDIUM
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 2 - Part -1>The Human Eye and The Colourful World>Q 5
Why are danger signal lights red in colour?
MEDIUM
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 2 - Part -1>The Human Eye and The Colourful World>Q 6

Why spectrum of colours is not observed when light passes through a glass slab?

Note: Slab word has been added to the question since it makes the question complete.

MEDIUM
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 2 - Part -1>The Human Eye and The Colourful World>Q 7
In an investigation by CBI, it was important to discover whether the victim was having short sightedness or long sightedness. How do you think it would be possible to identify this with the help of spectacles?