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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.
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Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The angle between the vectors (i+j) and (j+k) is
- When ultraviolet rays are incident on metal plate, then photoelectric effect
- A circular coil of radius 10cm and 100 turns carries a current 1 A.
- The electric field in a certain region is given by E=5i ̂-3ĵ kV/m. The potential
- Four blocks of same mass connected by cords are pulled by a force F
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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