Earth receives 1400 W/m^2 of solar power. If all the solar energy falling on a lens of area 0.2m^2 is focussed onto a block of ice of mass 280 grams

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Earth receives 1400 W/m^2 of solar power. If all the solar energy falling on a lens of area 0.2m^2 is focussed onto a block of ice of mass 280 grams, the time taken to melt the ice will be (Latent heat of fusion of ice =3.3×10^5 J/kg).
05
Sep
Earth receives 1400 W/m^2 of solar power. If all the solar energy falling on a lens of area 0.2m^2 is focussed onto a block of ice of mass 280 grams, the time taken to melt the ice will be (Latent heat of fusion of ice =3.3×10^5 J/kg). Earth receives 1400 W/m^2 of solar power. If [...]
Posted in: Arihant Physics by D.C Pandey , Chapter 15 - Thermodynamics , Volume 1 ,
Tags: Earth receives 1400 W/m^2 of solar power. If all the solar energy falling on a lens of area 0.2m^2 is focussed onto a block of ice of mass 280 grams , the time taken to melt the ice will be (Latent heat of fusion of ice =3.3×10^5 J/kg). ,