EASY
9th CBSE
IMPORTANT
Earn 100
State an important characteristic of uniform circular motion. Name the force which brings about uniform circular motion.
Important Questions on Model Test Paper (As Per the Latest Marking Scheme)
EASY
9th CBSE
IMPORTANT
To take a boat away from the bank of a river, the boatman pushes the bank with an oar. Why?
HARD
9th CBSE
IMPORTANT
Why do plants and animals possess different types of tissues?
EASY
9th CBSE
IMPORTANT
What is evaporation? State the various factors which affect evaporation.
MEDIUM
9th CBSE
IMPORTANT
State the various postulates of Dalton's atomic theory of matter.
EASY
9th CBSE
IMPORTANT
Which postulate of Dalton's atomic theory can explain the law of conservation of mass?
MEDIUM
9th CBSE
IMPORTANT
An element contains two naturally occurring isotopes and . If the average atomic mass of this element be 35.5 u, calculate the percentage of two isotopes.
EASY
9th CBSE
IMPORTANT
Can we apply Newton's third law to the gravitational force? Explain your answer.
EASY
9th CBSE
IMPORTANT
Find the momentum of a body of mass having a kinetic energy of .
