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A lead bullet of 10 gm travelling at 300 m/s strikes against a block of wood and comes to rest. Assuming 50% of heat is absorbed by the bullet, the increase in its temperature is(sp.heat of lead=150 J/KgK)
Options
(a) 100° C
(b) 125° C
(c) 150° C
(d) 200° C
Correct Answer:
150° C
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - A circular disc of radius R is removed from a bigger circular disc of radius 2R
- A train moving at a speed of 220 ms⁻¹ towards a stationary object
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Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A circular disc of radius R is removed from a bigger circular disc of radius 2R
- A train moving at a speed of 220 ms⁻¹ towards a stationary object
- A liquid wets a solid completely. The meniscus of the liquid in a sufficiently long
- A cricketer catches a ball of mass 150 g in 0.1 sec moving with speed 20 m/s
- Kirchoff’s I law and II laws of electricity prove respectively the
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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