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Heat Test - 10...

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  • Question 1
    1 / -0

    Two layers of cloth of equal thickness provide warmer covering than a single layer of cloth of double the thickness, because they :

  • Question 2
    1 / -0

    When a body has the same temperature as that of its surroundings :

  • Question 3
    1 / -0

    Which of the following methods of flow of heat is (are) based on gravitational attraction?

  • Question 4
    1 / -0

    In a room containing air, heat can go from one place to another by :

  • Question 5
    1 / -0

    Assertion (A): Woolen clothes keep the body warm in winter
    Reason (R): Air is bad conductor of heat

  • Question 6
    1 / -0

    A) Heat transfer by conduction and convection require a material medium.
    B) Heat transfer by radiation doesn't require a material medium.

  • Question 7
    1 / -0

    In the following, which statement is correct :
    a) A hot body emits hot radiations only.
    b) A cold body absorbs the radiations only.
    c) A cold body emits cold radiations only.
    d) All the bodies emit and absorb radiations simultaneously.

  • Question 8
    1 / -0

    Celsius is a unit of :

  • Question 9
    1 / -0

    The range of clinical thermometer is:

  • Question 10
    1 / -0

    Radiation is passing through a transparent medium, then :

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