| ⇦ | 
| ⇨ |
The two ends of a rod of length L and a uniform cross-sectional area A are kept at two temperatures T₁ and T₂ (T₁ > T₂). The rate of heat transfer, dQ/dt through the rod in a steady state is given by:
Options
(a) dQ/dt = k(T₁ – T₂) / LA
(b) dQ/dt = kLA (T₁ – T₂)
(c) dQ/dt = kA (T₁ – T₂) / L
(d) dQ/dt = kL (T₁ – T₂) / A
Correct Answer:
dQ/dt = kA (T₁ – T₂) / L
Explanation:
dQ / dt = kA (T₁ -T₂) / L
[(T₁ -T₂) is the temperature difference]
Related Questions: - A galvanometer having resistance of 50 Ω requires a current of 100μA to give full
- A particle moves a distance x in time but according to equation x=(t+5)⁻¹
- The energy of groundstate (n=1) of hydrogen level is -13.6 eV. The ionistation
- When two small bubbles join to form a bigger one, energy is
- A vertical spring with force constant k is fixed on a table. A ball of mass
Topics: Properties of Bulk Matter
(130)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A galvanometer having resistance of 50 Ω requires a current of 100μA to give full
- A particle moves a distance x in time but according to equation x=(t+5)⁻¹
- The energy of groundstate (n=1) of hydrogen level is -13.6 eV. The ionistation
- When two small bubbles join to form a bigger one, energy is
- A vertical spring with force constant k is fixed on a table. A ball of mass
Topics: Properties of Bulk Matter (130)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply