MEDIUM
10th CBSE
IMPORTANT
Earn 100

Draw a diagram to illustrate the effect of atmospheric refraction at sunrise.

Important Questions on The Human Eye and The Colourful World

EASY
10th CBSE
IMPORTANT
What is the name given to a light consisting of a single wavelength only?
EASY
10th CBSE
IMPORTANT
What is the name given to the band of seven colours of white light?
EASY
10th CBSE
IMPORTANT
Who discovered the dispersion of white light into seven colours on passing through a glass prism?
EASY
10th CBSE
IMPORTANT

Split the students in your classroom into three groups and ask the following question:

Name the phenomenon due to which the stars twinkle.

MEDIUM
10th CBSE
IMPORTANT
Mala can see the objects lying between 25 cm and 100 cm from her eye. Her vision can be corrected by using the lens of power -1.0 D. Is the statement true or false?
EASY
10th CBSE
IMPORTANT
A man wearing glasses of focal length +1 m and he cannot see objects clearly beyond 1 m. What is the defect in the eye?
MEDIUM
10th CBSE
IMPORTANT
Differentiate between myopia and hypermetropia.