If the temperature of the sun is doubled, the rate of energy received on earth will be increased by a factor of
Energy is the ability to do work or cause change. It exists in different forms such as kinetic potential thermal chemical and nuclear. Energy can be transferred or transformed but it cannot be created or destroyed. It plays a vital role in powering processes in nature and in technology.
Class 11 Physics Chapter 10 Thermal Properties of Matter explains concepts like temperature and heat expansion of solids liquids and gases specific heat capacity and latent heat. It covers thermal equilibrium laws of thermodynamics and methods of heat transfer such as conduction convection and radiation. The chapter also studies the behavior of matter at different temperatures.
The energy radiated by a body is given by Stefan-Boltzmann Law: E ∝ T⁴ Where: – E is the energy radiated, – T is the temperature in kelvins. If the temperature of the sun is doubled, i.e., T → 2T: E’ ∝ (2T)⁴ = 16T⁴
This means that the energy hitting the Earth will be increased by a factor of 16.
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