When an unbalanced force acts on an object
A). Causes change in motion of the object
B). The speed & direction of the object will change
C). Causes the object to move
D). All of the above
All of the above
When an unbalanced force acts on an object it causes change in motion of the object, the speed and direction of the object changes and the object moves.
4. Instrument for measuring blueness of the sky or ocean is called...............
5. The magnifying power of an astronomical telescope can be decreased by
6. One can distinguish a telescope from a microscope by observing
7. Which of the following has got more heat capacity ?
9. Which one among the following is not responsible for 'green house effect'?
10. A parachute descends slowly whereas a stone dropped from the same Height falls rapidly because