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A wire elongates by l mm when a load W is hanged from it. If the wire goes over a pulley and two weights W each are hung at the two ends, the elongation of the wire will be (in mm)
Options
(a) l/2
(b) l
(c) 2l
(d) zero
Correct Answer:
l
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 thin glass(refractive index 1.5) lens has optical power of -5D in air.
- An automobile engine develops 100 kW when rotating at a speed of 1800 rev/min
- The potential difference that must be applied to stop the fastest photoelectrons
- A ray of light passes from a medium A having refractive index 1.6 to the medium
- Copper and carbon wires are connected in series and the combined resistor is kept
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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