JEE PHYSICS MCQ: THERMAL PROPERTIES OF MATTER

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Application +4 | -1

The ends of a metal rod of length 40cm are maintained at temperatures

{100^0}C

and

{20^0}C

. At steady state condition, the temperature at a point a distance 30cm from the hot end of the rod is

View answer and explanation

Correct option: A

{40^0}C

Option C is correct because the focal length changes sign and magnitude when immersed in a liquid with a higher refractive index.

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n = \frac{{PV}}{{RT}},n =

{25^0}

{0^0}C

E\,\,W{m^{ - 2}}

\left( {\frac{T}{2}} \right)K