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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
- A wire of a certain material is stretched slowly by ten percent. Its new resistance
- Light from the constellation Virgo is observed to increase in wavelength by 0.4%
- A radioactive sample S₁ having an activity of 5 μCi has twice the number of nuclei
- Sound waves travel at 350m/s through a warm air and at 3500 m/s through brass
- A filament bulb (500W,100V) is to be used in a 230V main supply. When a resistance
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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