JEE Main & Advanced Physics Thermometry, Calorimetry & Thermal Expansion Question Bank

done Assertion and Reason Total Questions - 14

• question_answer1)
  Assertion             :       The melting point of ice decreases with increase of pressure. Reason                 :   Ice contracts on melting.       [AIIMS 2004]
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
  If assertion is false but reason is true. done clear
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• question_answer2)
  Assertion             :       Fahrenheit is the smallest unit measuring temperature. Reason                 :       Fahrenheit was the first temperature scale used for measuring temperature.              [AIIMS 1999]
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
              If assertion is false but reason is true. done clear
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• question_answer3)
  Assertion             :       Melting of solid causes no change in internal energy. Reason                 :       Latent heat is the heat required to melt a unit mass of solid.                                                  [AIIMS 1998]
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
              If assertion is false but reason is true. done clear
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• question_answer4)
  Assertion             :       Specific heat capacity is the cause of formation of land and sea breeze. Reason                 :       The specific heat of water is more than land. [AIIMS 1995]
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
  If assertion is false but reason is true. done clear
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• question_answer5)
  Assertion             :       A brass disc is just fitted in a hole in a steel plate. The system must be cooled to loosen the disc from the hole. Reason                 :       The coefficient of linear expansion for brass is greater than the coefficient of linear expansion for steel.
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
  If assertion is false but reason is true. done clear
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• question_answer6)
  Assertion             :       The coefficient of volume expansion has dimension K?1. Reason                 :       The coefficient of volume expansion is defined as the change in volume per unit volume per unit change in temperature.
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
              If assertion is false but reason is true. done clear
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• question_answer7)
  Assertion             :       The temperature at which Centigrade and Fahrenheit thermometers read the same is ? 40°. Reason                 :       There is no relation between Fahrenheit and Centigrade temperature.
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
              If assertion is false but reason is true. done clear
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• question_answer8)
  Assertion             :       When a solid iron ball is heated, percentage increase is its volume is largest. Reason                 :       Coefficient of superficial expansion is twice that of linear expansion where as coefficient of volume expansion is three time of linear expansion.
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
              If assertion is false but reason is true. done clear
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• question_answer9)
  Assertion             :       A beaker is completely filled with water at 4°C. It will overflow, both when heated or cooled. Reason                 :       There is expansion of water below and above 4°C.
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
              If assertion is false but reason is true. done clear
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• question_answer10)
  Assertion             :       Latent heat of fusion of ice is 336000 J kg?1. Reason                 :       Latent heat refers to change of state without any change in temperature
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
              If assertion is false but reason is true. done clear
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• question_answer11)
  Assertion             :       Two bodies at different temperatures, if brought in thermal contact do not necessary settle to the mean temperature. Reason                 :       The two bodies may have different thermal capacities.
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
              If assertion is false but reason is true. done clear
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• question_answer12)
  Assertion             :       Specific heat of a body is always greater than its thermal capacity. Reason                 :       Thermal capacity is the required for raising temperature of unit mass of the body through unit degree.
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
              If assertion is false but reason is true. done clear
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• question_answer13)
  Assertion             :       Water kept in an open vessel will quickly evaporate on the surface of the moon. Reason                 :       The temperature at the surface of the moon is much higher than boiling point of the water.
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
              If assertion is false but reason is true. done clear
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• question_answer14)
  Assertion             :       The molecules at 0ºC ice and 0ºC water will have same potential energy. Reason                 :       Potential energy depends only on temperature of the system.
  A)
              If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
              If assertion is false but reason is true. done clear
  View Solution play_arrow