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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
- The maximum kinetic energy of the photoelectrons depends only on
- Two balls are dropped from heights h and 2h respectively. The ratio of times
- A car accelerates from rest at constant rate for first 10s and covers a distance x.
- A black body at a temperature of 227⁰C radiates heat at a rate of 20 cal m⁻²s⁻¹.
- Two capacitors having capacitances C₁ and C₂ are charged with 120V and 200V batteries
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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