MEDIUM
8th CBSE
IMPORTANT
Earn 100
What is the difference between contact and non-contact forces? Explain with the help of one example of each.
Important Questions on Annual Test Paper for Chapters 11-19
MEDIUM
8th CBSE
IMPORTANT
Why is the electroplating of one metal on another done? Give one example for each.
MEDIUM
8th CBSE
IMPORTANT
Calculate the number of images seen when two plane mirrors are placed inclined at an angle of to each other.
MEDIUM
8th CBSE
IMPORTANT
What can be the consequences of excess greenhouse gases in the earth's atmosphere?
HARD
8th CBSE
IMPORTANT
What are the effects that a force can have on an object?
HARD
8th CBSE
IMPORTANT
How can you electroplate an iron nail with copper? Explain with the help of a diagram.
MEDIUM
8th CBSE
IMPORTANT
Explain why a swimming pool full of water appears less deep than it is.
MEDIUM
8th CBSE
IMPORTANT
What are the uses of artificial satellites?
EASY
8th CBSE
IMPORTANT
Discuss the sexual changes that occur in male and female humans during adolescence.
