Water's high specific heat useful for: MCQ with Answer and Explanation

Question Report Error
Water's high specific heat useful for:
A. Biological temperature regulation
B. Both
C. Neither
D. Engine cooling
Answer: Option B
Solution (By JKExamLibrary)
High c = absorbs/releases large heat with small ΔT. Stabilizes engine temperatures and organism body temperatures. Memory tip: 'High specific heat = thermal buffer; water moderates climate and physiology'. Property application frequently tested in competitive exams.
This question belongs to: Science Physics

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Practice More Physics Questions

Question #1 Report Error
A body executing SHM has amplitude 5 cm and time period 2 s. Maximum velocity is
A. 20π cm/s
B. 10π cm/s
C. 2.5π cm/s
D. 5π cm/s
Discuss

Correct Answer: Option D

Explanation:
v_max = ωA = (2π/T) A = (2π/2)×5 = 5π cm/s.
This question belongs to: Science Physics
Question #2 Report Error
A body of mass m is taken from Earth's surface to a height equal to twice Earth's radius. Change in potential energy is
A. mgR
B. mgR/3
C. 2mgR/3
D. 3mgR
Discuss

Correct Answer: Option C

Explanation:
ΔU = GMm (1/R - 1/(R+2R)) = GMm (1/R - 1/3R) = (2/3)GMm/R = (2/3)mgR.
This question belongs to: Science Physics
Question #3 Report Error
The process of adding impurity to a semiconductor is called
A. Annealing
B. Sintering
C. Doping
D. Purification
Discuss

Correct Answer: Option C

Explanation:
Doping increases conductivity.
This question belongs to: Science Physics
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