CBSE Class 9 Science Free Doubts and Solutions
CBSE - IX - Science - Motion
Delhi and Chicago are almost diametrically opposite on the earth. If someone travels from Chicago to Delhi, What will be the magnitude of his displacement?
CBSE - IX - Science - Motion
draw a sketch of distance time travel of a moving bus with the help of the following data a option but travels in uniform motion b option it reaches a distance of 20 km in 40 minutes c option it takes 80 minutes to travel a distance of 40 km
CBSE - IX - Science - Force and Laws of Motion
1)In carrrom, if striker strikes the pile of coins weakly what happens? justify answer. 2)In carrom, what quantities can be increased so the vertical fall will be ensured?
CBSE - IX - Science - Force and Laws of Motion
A light and heavy object have the same momentum, find out the ratio of their kinetic energies. Which one has larger kinetic energy?
CBSE - IX - Science - Motion
A body of mass 25g has a momentum of 0.40 kgm/s. find its kinetic energy
CBSE - IX - Science - Is Matter Around Us Pure?
why is it taken as 35*75/100+37*25/100?
CBSE - IX - Science - Is Matter Around Us Pure?
waht are isobars
CBSE - IX - Science - Gravitation
this question
CBSE - IX - Science
what is the retarding force
Browse free questions and answers Chapters
- 1 The Fundamental Unit of Life
- 2 Tissues
- 3 Diversity in Living Organisms
- 4 Why Do We Fall Ill?
- 5 Natural Resources
- 6 Improvement in Food Resources
- 7 Matter in Our Surroundings
- 8 Is Matter Around Us Pure?
- 9 Atoms and Molecules
- 10 Structure of the Atom
- 11 Motion
- 12 Force and Laws of Motion
- 13 Gravitation
- 14 Work and Energy
- 15 Sound