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The mechanical equivalent of heat J is...

The mechanical equivalent of heat J is

A

Constant

B

a physical quantity

C

a conversion factor

D

none of the above

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5g of a gas is contained in a rigid container and is heated from 15^@C to 25^@C . Specific heat capacity of the gas at constant volume is 0.172 cal g ^(-1)^@C^(-1) and the mechanical equivalent of heat is 4.2 J cal . Calculate the change in the internal energy of the gas.

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ALLEN-BASIC MATHS-EXERCISE-1
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  2. If the force is given by F=at+bt^(2) with t is time. The dimensions of...

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  3. The mechanical equivalent of heat J is

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  4. Which of the following is not the unit of self inductance

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  5. If energy (E), velcocity (V) and time (T) were chosen as fundamental p...

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  6. If the energy, E = G^p h^q c^r, where G is the universal gravitational...

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  7. Mathc list I with II and select the correct answer : {:((A)"spring c...

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  8. Which of the following pairs does not have similar dimensions?

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  9. Which of the following represents the dimensions of Farad

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  10. The dimension of torque is:

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  11. Using mass (M) , length (L) , time (T) , and electric current (A) as f...

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  12. Dimensions of relative density is

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  13. The dimensional formula for magnetic flux is

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  14. The dimensions of universal gravitational constant are :-

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  15. The van der Waal's equation of state for some gases can be expressed a...

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  16. Which does not has the same unit as others

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  17. Refractive index mu is given as mu=A+B/lambda^2, where A and B are con...

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  18. Parsec' is the unit of :

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  19. The ratio of the dimension of Planck's constant and that of moment of ...

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  20. The unit of entropy is

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