EASY
JEE Main
IMPORTANT
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A heavy uniform rod is hanging vertically from a fixed support. It is stretched by its own weight. The diameter of the rod is,

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Important Questions on Some Mechanical Properties of Matter

EASY
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 14 - Some Mechanical Properties of Matter>OBJECTIVE I>Q 7
When a metal wire is stretched by a load, the fractional change in its volume ΔVV is proportional to,
MEDIUM
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 14 - Some Mechanical Properties of Matter>OBJECTIVE I>Q 8
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,
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,
EASY
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,
MEDIUM
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,
MEDIUM
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,