Heat and Thermal ExpansionHard
Question
The solar constant for the earth is ∑. The surface temperature of the sun is T K. The sun sub tends an angle θ at the earth : -
Options
A.∑ ∝ T4
B.∑ ∝ T2
C.∑ ∝ θ2
D.∑ ∝ θ
More Heat and Thermal Expansion Questions
One mole of an ideal monatomic gas is taken from A to C along the path ABC. The temperature of the gas at A is T0. For t...The figure shows a system of two concentric spheres of radii r1 and r2 and kept at temperatures T1 and T2 respectively. ...Three rod of some dimensions are arranged as shown in the figure. They have thermal conductivities k1, k2 & k3. The poin...Figure shows the variation of the internal energy U with density ρ of one mole of an ideal monatomic gas for thermo...A metallic sphere having radius 0.08 m and mass m = 10 kg is heated to a temperature of 227oC and suspended inside a box...