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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 paramagnetic sample shows a net magnetisation of 0.8 Am⁻¹, when placed
- The Kα X-ray of molybdenum has a wavelength of 71×10⁻¹² m. If the energy of a molybdenum
- An alpha nucleus of energy 1/2 mv² bombards a heavy nuclear target of charge Ze
- If the feedback voltage is increased in a negative feedback amplifier, then
- A wire of resistance 4 ohm is stretched to twice its original length.
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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