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Heat and Thermodynamics · 2022 · 27 Jul · Shift 1

3 Physics questions from this JEE Main paper

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2022 · 27 Jul · Shift 1
Physics
Heat and Thermodynamics

Heat and Thermodynamics · 2022 · 27 Jul · Shift 1

3 Physics questions from this JEE Main paper

Q53.If $K_{1}$ and $K_{2}$ are the thermal conductivities, $L_{1}$ and $L_{2}$ are the lengths and $A_{1}$ and $A_{2}$ are the cross sectional areas of steel and copper rods respectively such that $\frac{K _{2}}{K _{1}} = 9, \frac{A _{1}}{A _{2}} = 2, \frac{L _{1}}{L _{2}} = 2$ … Includes diagram
Physics · Heat and Thermodynamics · MCQ
Q54.Read the following statements : A. When small temperature difference between a liquid and its surrounding is doubled, the rate of loss of heat of the liquid becomes twice. B. Two bodies $P$ and $Q$ having equal surface areas are maintained…
Physics · Heat and Thermodynamics · MCQ
Q55.Same gas is filled in two vessels of the same volume at the same temperature. If the ratio of the number of molecules is $1 : 4$ , then A. The r.m.s. velocity of gas molecules in two vessels will be the same. B. The ratio of pressure in…
Physics · Heat and Thermodynamics · MCQ