MEDIUM
10th CBSE
IMPORTANT
Earn 100
What is Tyndall effect? Explain it with an example.
Important Questions on The Human Eye and The Colourful World
MEDIUM
10th CBSE
IMPORTANT
Why are danger signal lights red in colour?
MEDIUM
10th CBSE
IMPORTANT
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
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?
EASY
10th CBSE
IMPORTANT
Why our night vision is relatively poor as compared to the night vision of an owl?
MEDIUM
10th CBSE
IMPORTANT
What happens to our eye when we enter a darkened cinema hall from bright room? Explain with a neat sketch.
MEDIUM
10th CBSE
IMPORTANT
Give the function of pupil and iris.
MEDIUM
10th CBSE
IMPORTANT
Draw a diagram to show how an eye can focus the nearby object by changing the thickness of its lens.
MEDIUM
10th CBSE
IMPORTANT
How the eye adjusts itself with the light of varying intensity?
