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JEE Main Thermal Properties of Matter & Thermodynamics — practice questions — page 2

Explore 55 free Thermal Properties of Matter & Thermodynamics questions in JEE Main Physics. Open each question or exercise to read its content, reference answers and available explanation.

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Thermal Properties of Matter & Thermodynamics questions and exercises with answers

Showing questions 31–55 of 55.

Temperature is described as a measure of the hotness of a:Read the answer and worked solution →Heat is energy transferred between systems by virtue of a difference in:Read the answer and worked solution →Expansion in the length of a solid on heating is called:Read the answer and worked solution →A device used to carry out heat measurement is called a:Read the answer and worked solution →How many distinct modes of heat transfer are described?Read the answer and worked solution →The heat needed per unit mass to change the state of a substance is called:Read the answer and worked solution →The latent heat for a change between solid and liquid is called the latent heat of:Read the answer and worked solution →Heat capacity defined per mole of a substance is known as the:Read the answer and worked solution →Thermal current through a bar is inversely proportional to which quantity?Read the answer and worked solution →The constant of proportionality in the conduction equation is called the:Read the answer and worked solution →Water behaves anomalously by contracting on heating between which temperatures?Read the answer and worked solution →The temperature at which solid and liquid states are in thermal equilibrium is the:Read the answer and worked solution →The refreezing of ice after the pressure on it is released is called:Read the answer and worked solution →Newton's law of cooling makes the rate of heat loss proportional to the difference between:Read the answer and worked solution →The triple point of water is represented by which temperature?Read the answer and worked solution →For water, the latent heat of fusion is given as which value?Read the answer and worked solution →Which law relates the wavelength of peak emission to the temperature of a body?Read the answer and worked solution →The law relating radiated energy to temperature, proved theoretically by Boltzmann, is named after:Read the answer and worked solution →Sort the modes of transferRead the answer and worked solution →Name the expansionRead the answer and worked solution →Judge the assertion and the reasonRead the answer and worked solution →Type the thermal numbersRead the answer and worked solution →Pick it fastRead the answer and worked solution →n-type or p-type?Read the answer and worked solution →True or false: semiconductorsRead the answer and worked solution →

Worked practice questions

Temperature is described as a measure of the hotness of a:

  1. Body
  2. Bank
  3. Book
  4. Boat
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Correct answer: A. Body

1. Hotness needs to be defined before it can be measured. 2. The definition attaches it to an object rather than to the surroundings. 3. Temperature is a measure of the hotness of a body. 4. So the answer is a body. _Source: syllabus Physics Part II, Ch 10 'Thermal Properties of Matter'_

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Heat is energy transferred between systems by virtue of a difference in:

  1. Territory size
  2. Temperature
  3. Terminology
  4. Tenancy time
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Correct answer: B. Temperature

1. Heat and temperature are different quantities. 2. Heat flows only when something is out of balance. 3. Heat is energy transferred between systems by virtue of temperature difference. 4. So the answer is temperature. _Source: syllabus Physics Part II, Ch 10 'Thermal Properties of Matter'_

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Expansion in the length of a solid on heating is called:

  1. Linear expansion
  2. Lateral expansion
  3. Layered expansion
  4. Lengthy expansion
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Correct answer: A. Linear expansion

1. Thermal expansion is described in one, two and three dimensions. 2. The one-dimensional case concerns length alone. 3. The expansion in length is called linear expansion. 4. So the answer is linear expansion. _Source: syllabus Physics Part II, Ch 10 'Thermal Properties of Matter'_

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