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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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- A fluid is in streamline flow across a horizontal pipe of variable area of cross section
- The innermost orbit of hydrogen atom has a diameter 1.06Å. The diameter of tenth
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Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In a transistor the collector current is always less than the emitter current
- A fluid is in streamline flow across a horizontal pipe of variable area of cross section
- The innermost orbit of hydrogen atom has a diameter 1.06Å. The diameter of tenth
- If in a L-R series circuit the power factor is 1/2 and R=100Ω, then the value of L is,
- A thin glass(refractive index 1.5) lens has optical power of -5D in air.
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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