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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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- Maximum velocity of the photoelectron emitted by a metal is 1.8×10⁶ ms⁻¹.
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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
- In the series resonance the value of impedence is 3 Ω and the resistance is 4Ω,
- Maximum velocity of the photoelectron emitted by a metal is 1.8×10⁶ ms⁻¹.
- For a particle in a non-uniform accelerated circular motion correct statement is
- Radius of a soap bubble is increased from R to 2R. Work done in this process
- A bullet loses 1/20 of its velocity after penetrating a plank.How many planks
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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