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A wire is stretched under a force. If the wire suddenly snaps the temperature of the wire
Options
(a) remains the same
(b) decreases
(c) increases
(d) first decreases then increases
Correct Answer:
increases
Explanation:
Work done on the wire to strain it will be stored as energy which is converted to heat. Therefore the temperature increases.
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Topics: Properties of Bulk Matter
(130)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A plane polarised light is incident normally on a tourmaline plate. Its E vector make
- Current in a coil changes from 4 A to zero in 0.1 second and the emf induced is 100V
- A leaf which contains only green pigments is illuminated by a laser light
- A long straight wire carrying current of 30A is placed in an external uniform
- Consider the following two statements about Kirchhoff’s law
Topics: Properties of Bulk Matter (130)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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