EWT | Academic Question

Questions
Question (1)
QN0035692

The reading of Centigrade thermometer coincides with that of Fahrenheit thermometer in a liquid. The 

temperature of the liquid is         

  • (A)

  • (B)

  • (C)

  • (D)

Correct Answer: A
Explanation:

Let the readings of two thermometers coincide at

As

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Question (2)
QN0035693

The  versus  graph will be a 

  • (A)

    straight line parallel to -axis

  • (B)

    straight line parallel to -axis

  • (C)

    straight line inclined to -axis

  • (D)

    parabolic curve

Correct Answer: C
Explanation:

 

or

A diagram of a function

Description automatically generated

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Question (3)
QN0035694

A thermometer graduated according to a linear scale reads a value  when in contact with boiling water, 

and  when in contact with ice. What is the temperature of an object in , if this thermometer in the 

contact with the object reads  ?       

  • (A)

    25

  • (B)

    60

  • (C)

    40

  • (D)

     

    35

Correct Answer: A
Explanation:

Let required temperature

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Question (4)
QN0035695

Heat is associated with 

  • (A)

    kinetic energy of random motion of molecules

  • (B)

    kinetic energy of orderly motion of molecules

  • (C)

    total kinetic energy of random and orderly motion of molecules

  • (D)

    None of these

Correct Answer: A
Explanation:

Heat energy is associated with the kinetic energy of random motion of molecules.

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