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IMPORTANT
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The length of a metal wire is l1 when the tension in it is T1 and is l2 when the tension is T2. The natural length of the wire is,

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Important Questions on Some Mechanical Properties of Matter

MEDIUM
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 14 - Some Mechanical Properties of Matter>OBJECTIVE I>Q 9
A heavy mass is attached to a thin wire and is whirled in a vertical circle. The wire is most likely to break,
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JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 14 - Some Mechanical Properties of Matter>OBJECTIVE I>Q 10
When a metal wire elongates by hanging a load on it, the gravitational potential energy is decreased and
EASY
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 14 - Some Mechanical Properties of Matter>OBJECTIVE I>Q 11
By a surface of a liquid, we mean,
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JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 14 - Some Mechanical Properties of Matter>OBJECTIVE I>Q 12
An ice cube is suspended in vacuum in a gravity-free hall. As the ice melts, it,
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JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 14 - Some Mechanical Properties of Matter>OBJECTIVE I>Q 13
When water droplets merge to form a bigger drop,
EASY
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 14 - Some Mechanical Properties of Matter>OBJECTIVE I>Q 14
The dimension M L-1 T-2 corresponds to,
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JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 14 - Some Mechanical Properties of Matter>OBJECTIVE I>Q 15
Air is pushed into a soap bubble of radius r to double its radius. If the surface tension of the soap solution is S, the work done in the process is,
EASY
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 14 - Some Mechanical Properties of Matter>OBJECTIVE I>Q 16
If more air is pushed into a soap bubble, the pressure in it,