Embibe Experts Solutions for Chapter: Thermal Properties of Matter, Exercise 3: BEGINNER'S BOX - 3

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Embibe Experts Physics Solutions for Exercise - Embibe Experts Solutions for Chapter: Thermal Properties of Matter, Exercise 3: BEGINNER'S BOX - 3

Attempt the practice questions on Chapter 15: Thermal Properties of Matter, Exercise 3: BEGINNER'S BOX - 3 with hints and solutions to strengthen your understanding. Beta Question Bank for Medical: Physics solutions are prepared by Experienced Embibe Experts.

Questions from Embibe Experts Solutions for Chapter: Thermal Properties of Matter, Exercise 3: BEGINNER'S BOX - 3 with Hints & Solutions

HARD
NEET
IMPORTANT

Two metal cubes with 3 cm edges of copper and aluminum are arranged as shown in the figure. Find,

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(a) The total thermal current from one reservoir to the other.

(b) The ratio of the thermal current carried by the copper cube to that carried by the aluminum cube. The thermal conductivity of copper is 60 W m-1 K-1 and that of aluminum is40 W m-1 K-1.

EASY
NEET
IMPORTANT

Three conducting rods of same material and cross-section are shown in figure. The temperature of A, D and C are maintained at 20°C, 90°C and 0°C. Find the ratio of lengths BD and BC if there is no heat flow in AB.

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