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ऊष्मीय चालकता की इकाई है...

ऊष्मीय चालकता की इकाई है

A

`"Jm"^(-2)"sec"^(-1)(""^(@)C)^(-1)`

B

`"Jm"^(-1)"sec"^(-1)(""^(@)C)^(-2)`

C

J - sec

D

`"Jm"^(-1)"sec"^(-1)(""^(@)C)^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
D
`"Thermal conductivity, K"=(Qx)/(A(T_(1)-T_(2))t)`
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If the perimeter of a certain rectangle is 50 units and its area is 150 sq. units, then how many units is the length of its shorter side?/ यदि किसी आयत का परिमाप 50 इकाई है तथा इसका क्षेत्रफल 150 वर्ग इकाई है, तो इसकी छोटी भुजा की लंबाई कितनी इकाई है ?

दोहरान |धातुओं के गुण : ध्वनिक |धातु एवं अधातु की पहचान : सारणी |विद्युत चालकता |ऊष्मीय चालकता |सारांश

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ऊष्मा साथनांतरण की विधियाँ |ऊष्मीय चालन -उदाहरण सहित | Summary

ठोसों में विद्युतीय गुण |चालकता का कारण |ठोसों के चुंबकीय गुण |क्रिस्टल संरचना की X की किरण अध्ययन |OMR|Summary

ठोसों में विद्युतीय गुण |चालकता का कारण |ठोसों के चुंबकीय गुण |क्रिस्टल संरचना की X की किरण अध्ययन |OMR|Summary

ठोसों में विद्युतीय गुण |चालकता का कारण |ठोसों के चुंबकीय गुण |क्रिस्टल संरचना की X की किरण अध्ययन |OMR|Summary

DISHA PUBLICATION-PHYSICAL WORLD, UNITS AND MEASUREMENTS-Exercise - 1 : Concept Builder (Topicwise)(Topic 1 : Units of Physical Quantities)
  1. ऊष्मीय चालकता की इकाई है

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  2. The SI unit of electric polarization is

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  3. What is the unit of magnetic permeability mu(0) of vacuum?

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  4. The S.I. unit of latent heat is

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  5. The unit of self inductance of a coil is

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  6. The surface tension of a liquid is 70 "dyne" // cm . In MKS system its...

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  7. Joule-second is the unit of

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  8. The SI unit of Stefan's constant is :

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  9. S.I. unit of universal gas constant is

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  10. Young's modulus of steel is 1.9xx10^(11) N//m^2 When expressed is CGS ...

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  11. Which one of the following pairs of quantities and their units is a pr...

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  12. The numerical value of Young's modulus in S.I. unit is beta. what is i...

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  13. If the units of length and force are increased by four times the unit...

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  14. the density of a material is 8 g/cc. In a system in which units of len...

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  15. If e is the charge, V the potential difference, T the temperature, the...

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  16. In equation, r=m^(2)sin pit, where t represent time if the unit of m i...

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  17. If x=at+bt^(2), where x is the distance travelled by the body in kilom...

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  18. Which of the following quantities has not been expressed in proper uni...

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  19. In the eqn. (p+(a)/(V^(2)))(V-b)= "constant" constant, the unit of a...

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  20. In CGS system the magnitude of the force is 100 dyne.In another system...

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