If the diameter of a capillary is doubled then the rise of water in it will be
1). two times
2). half
3). four times
4). no change
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1. Speed of sound is the greatest in :
2. Which of the following is an example for cantilever beam?
3. The energy stored in a watch spring is
4. Which conservation principle is applicable in the case of the motion of a rocket?
5. A concave lens always forms an image which is
6. Magnetism in materials is due to
7. A pond of water appears less deep due to
8. A body in equilibrium _______.