As per the given figure, two plates A and B of…

Medium· Heat transfer (conduction, convection, radiation)· +4 / 0

As per the given figure, two plates

A

and

B

of thermal conductivity

K

and

2K

are joined together to form a compound plate. The thicknesses of plates are

4.0\ \text{cm}

and

2.5\ \text{cm}

respectively and the area of cross-section is

120\ \text{cm}^2

for each plate. The equivalent thermal conductivity of the compound plate is

\left(1+\dfrac5\alpha\right)K

, then the value of

\alpha

will be ______. Question diagram

Your answer (numerical)

Thermal Properties of Matter: JEE Mains 2022 June 29 Shift 1