What this topic covers
Hooke's law, Young's modulus and work done in springs and string. Behaviour of elastic materials under stress – features of load - extension graph. Simple calculations on Hook's law and Young's modulus. Thermal conductivity: Solar energy collector and Black body Radiation. Solar energy: solar panel for heat energy supply. Explanation of a blackbody. Variation of intensity of black body radiation with wavelength at different temperatures.
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