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Angle of contact increases with rising t...

Angle of contact increases with rising temperature of liquid .

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The correct Answer is:
True.
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Knowledge Check

  • The conductivity of a semiconductor increases with increase in temperature because

    A
    number density of free current carriers increases.
    B
    relaxation time increases.
    C
    both nomber density of carriers and relaxation time increase.
    D
    number density of current carriers increases, relaxation time decreases but effect of decrease in relaxation time is much less than increase in number density.

  • Two identical bodies are made of a material for which the heat capacity increases with temperature. One of these is at 100^@ C, while the other one is at 0^@ C. If the two bodies are brought into contact, then assuming no heat loss the final common temperature is _____

    A
    less than `50^@ C` but greater than `0^@C`
    B
    `0^@C`
    C
    `50^@C`
    D
    more than `50^@C`

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