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Chapter 10: Problem 88

Heat given to a body which raises its temperature by \(1^{\circ} \mathrm{C}\) is (A) water equivalent. (B) thermal capacity. (C) specific heat. (D) temperature gradient.

Short Answer

Expert verified
The correct answer to this exercise is (C) specific heat.

Step by step solution

01

Analyze the options

Look at each option individually and scrutinize them in light of the given problem. Pay attention to what each of them refers to in the context of heat and temperature.
02

Choice selection

Identify the option that correctly defines the amount of heat given to a body that results in raising the temperature of the body by \(1^{\circ} \mathrm{C}\).
03

Elimination of incorrect choices

Eliminate the incorrect options. 'Water equivalent' refers to the amount of water that would absorb or give up the same amount of heat as the substance in question for the same temperature change. 'Thermal capacity' is the measure of the ability of an object to store heat and is equal to the product of the mass of the object, the specific heat of the material which it is made, and the change in temperature. 'Temperature gradient' is the physical quantity that describes the direction and rate of temperature change in space. None of these fit the required definition.

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Most popular questions from this chapter

If spring is disconnected and top part of cylinder is removed, then find the angular frequency for small oscillation. (Assuming pressure of gas at equilibrium position is \(P_{1}\) and length of gas column is \(l_{1}^{-}\)) (A) \(\sqrt{\frac{\gamma P_{1} S_{0}}{m l_{1}}}\) (B) \(\sqrt{\frac{2 \gamma P S_{0}}{m l_{1}}}\) (C) \(\sqrt{\frac{\gamma P_{1} S_{0}}{4 m l_{1}}}\) (D) \(\sqrt{\frac{\gamma P_{1} S_{0}}{2 m l_{1}}}\)

If \(\gamma\) be the ratio of specific heats of a perfect gas, the number of degrees of freedom of a molecule of the gas is (A) \((\gamma-1)\) (B) \(\frac{3 \gamma-1}{2 \gamma-1}\) (C) \(\frac{2}{\gamma-1}\) (D) \(\frac{9}{2}(\gamma-1)\)

Find the angular frequency of oscillation. If process is isothermal. Length of gas column at equilibrium position is \(l_{1}\) and gas pressure is \(P_{1}\) at equilibrium position. (A) \(\sqrt{\frac{P_{1} S_{0}}{4 m l_{1}}}\) (B) \(\sqrt{\frac{2 P_{1} S_{0}}{m l_{1}}}\) (C) \(\sqrt{\frac{P_{1} S_{0}}{m l_{1}}}\) (D) \(\sqrt{\frac{P_{1} S_{0}}{2 m l_{1}}}\)

The number of degrees of freedom for each atom of a monoatomic gas is (A) 3 (B) 5 (C) 6 (D) 1

A \(2 \mathrm{gm}\) bullet moving with a velocity of \(200 \mathrm{~m} / \mathrm{s}\) is brought to a sudden stoppage by an obstacle. The total heat produced goes to the bullet. If the specific heat of the bullet is \(0.03 \mathrm{cal} / \mathrm{gm}-{ }^{\circ} \mathrm{C}\), the rise in its temperature will be (A) \(158.0^{\circ} \mathrm{C}\) (B) \(15.80^{\circ} \mathrm{C}\) (C) \(1.58^{\circ} \mathrm{C}\) (D) \(0.1580^{\circ} \mathrm{C}\)
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