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At absolute zero temperature Si acts as ...

At absolute zero temperature Si acts as ……..

A

non-metal

B

metal

C

insulator

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • Statements and reasons are given. Choose the correct option form the following. (Q.43, 44, 45) Statement : Chlorine gas become solid at absolute zero temperature but its entropy will be zero. Reason : Chlorine has strong small and its difficult to correct it into solid.

    A
    Statement and reason both are correct and correct explanation of statement is given by reason.
    B
    Statement and reason both are correct but correct explanation of statement is not given by reason.
    C
    Statement is correct but reason is wrong.
    D
    Statement and reason both are wrong.

  • The wavelength of de-Broglie wave associated with a neutron of mass m at absolute temperature T is given by ……….. (here K is the Boltzman constant)

    A
    `(h)/(sqrt(2mkT))`
    B
    `(h)/(sqrt(mkT))`
    C
    `(k)/(sqrt(3mkT))`
    D
    `(h)/(2sqrt(mkT))`

  • Two substances A and B have relation T_(A)=4T_(B) for their absolute zero temperature. The difference in their wavelength is 3.0mum when maximum radiation energy emit from them. Wavelength of B for maximum radiation energy is . . . . . .. mum .

    A
    2
    B
    `2.5`
    C
    `4.0`
    D
    `4.5`

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