Name four forms of light.

Important Questions on Light

EASY

7th CBSE

IMPORTANT

WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 4 - Light>Assess>Q 3

Which form of light is used to investigate the condition of bones in humans?

EASY

7th CBSE

IMPORTANT

WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 4 - Light>Assess>Q 4

What happens when a beam of light strikes a surface?

EASY

7th CBSE

IMPORTANT

WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 4 - Light>Assess>Q 5

A girl of $15 \mathrm{cm}$ height was looking at herself in the mirror of her dressing room. What is the height of the image formed in the mirror?   

EASY

7th CBSE

IMPORTANT

WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 4 - Light>Explore>Q 1

Which type of lens is present in human eye? How does it help to see objects?

EASY

7th CBSE

IMPORTANT

WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 4 - Light>Think Science>Q 1

A green ball appears black in red light. Why?

HARD

7th CBSE

IMPORTANT

WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 4 - Light>Assess>Q 1

How does the blue object appear in white light?

MEDIUM

7th CBSE

IMPORTANT

WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 4 - Light>Assess>Q 1

How does the blue object appear in green light?

MEDIUM

7th CBSE

IMPORTANT

WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 4 - Light>Assess>Q 1

How does the blue object appear in blue light?