Physics Sun's heat reaches us by Convection Radiation Reflection Conduction Convection Radiation Reflection Conduction ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of sound in air depends on None of these Frequency Wavelength Temperature None of these Frequency Wavelength Temperature ANSWER DOWNLOAD EXAMIANS APP
Physics To prevent damage from lightning, lightning conductors are used on tall structures. The lightning conductor Should be made of a good conductor but can be of any shape Can be of any shape Should be in the form of a vertical rod Should be made of a good conductor like copper with sharp-pointed edges Should be made of a good conductor but can be of any shape Can be of any shape Should be in the form of a vertical rod Should be made of a good conductor like copper with sharp-pointed edges ANSWER DOWNLOAD EXAMIANS APP
Physics The direction of heat flow between two objects depends on Their masses Their temperatures Whether they are in solid, liquid or gaseous state Their heat contents Their masses Their temperatures Whether they are in solid, liquid or gaseous state Their heat contents ANSWER DOWNLOAD EXAMIANS APP
Physics The energy stored in a watch spring is Chemical energy Heat energy Potential energy Kinetic energy Chemical energy Heat energy Potential energy Kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Physics A thin oil film on a water surface appears coloured because of Polarization Reflection Diffraction Interference Polarization Reflection Diffraction Interference ANSWER DOWNLOAD EXAMIANS APP
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