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A wire of length 2 m is made from 10 cm³ of copper. A force F is applied so that its length increases by 2 mm. Another wire of length 8 m is made from the same volume of copper. If the force F is applied to it, its length will increase by
Options
(a) 0.8 cm
(b) 1.6 cm
(c) 2.4 cm
(d) 3.2 cm
Correct Answer:
3.2 cm
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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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 siren emitting sound of frequency 800 Hz is going away from a static listener
- Electrons of mass m with de-Broglie wavelength λ fall on the target in an X-ray tube.
- The angular momentum of an electron is J. The magnitude of the magnetic moment
- The amplitude of S.H.M. y=2 (sin 5πt+√2 cos 5πt) is
- Sodium has body centred packing. Distance between two nearest atoms is 3.7 Å.
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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