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In hot summer after a bath, the body’s __________.

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प्रश्न

In hot summer after a bath, the body’s __________.

पर्याय

  • internal energy decreases

  • internal energy increases

  • heat decreases

  • no change in internal energy and heat

MCQ
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उत्तर

In hot summer after a bath, the body’s internal energy decreases.

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पाठ 8: Heat and Thermodynamics - Evaluation [पृष्ठ १५६]

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सामाचीर कलवी Physics - Volume 1 and 2 [English] Class 11 TN Board
पाठ 8 Heat and Thermodynamics
Evaluation | Q I. 1. | पृष्ठ १५६

संबंधित प्रश्‍न

A body cools from 62°C to 54°C in 10 minutes and to 48°C in the next 10 minutes. Find the temperature of the surroundings.


Does the temperature of a body depend on the frame from which it is observed?


In a calorimeter, the heat given by the hot object is assumed to be equal to the heat taken by the cold object. Does it mean that heat of the two objects taken together remains constant?


If heat is supplied to a solid, its temperature

(a) must increase

(b) may increase

(c) may remain constant

(d) may decrease


The temperature of an object is observed to rise in a period. In this period

(a) heat is certainly supplied to it

(b) heat is certainly not supplied to it

(c) heat may have been supplied to it

(d) work may have been done on it


A pendulum clock shows correct time at 20°C at a place where g = 9.800 m s–2. The pendulum consists of a light steel rod connected to a heavy ball. It is taken to a different place where g = 9.788 m s–1. At what temperature will the clock show correct time? Coefficient of linear expansion of steel = 12 × 10–6 °C–1.


A steel rod of length 1 m rests on a smooth horizontal base. If it is heated from 0°C to 100°C, what is the longitudinal strain developed?


Two objects are said to be in thermal contact if they can exchange heat energy.


The average kinetic energy of molecules of a gas is directly related to which physical quantity?


Near the melting point of a solid, the heat supplied does NOT raise the temperature. Instead, what does it do?


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