MEDIUM
3rd CBSE
IMPORTANT
Earn 100

What are luminous objects? Give two examples. 

Important Questions on Unit Test Paper 4

EASY
3rd CBSE
IMPORTANT
OXFORD New Science In Everyday Life 3>Chapter 24 - Unit Test Paper 4>Exercise 1>Q E

What is friction? How does it help us? 

EASY
3rd CBSE
IMPORTANT
OXFORD New Science In Everyday Life 3>Chapter 24 - Unit Test Paper 4>Exercise 1>Q E

Why is it improper to use loudspeakers at night?