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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 resistance of a wire is 5 ohm at 50° C and 6 ohm at 100° C. The resistance
- The length of an elastic string is a metre when the longitudinal tension is 4N and b
- Two charges of equal magnitude q are placed in air at a distance 2a
- The number of significant figures in 0.06900
- A rocket with a lift-off mass 3.5 x 10⁴ kg is blasted upwards with an initial acceleration
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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