Physics A stone floor feels cold to the bare feet but a carpet on the same floor feels warm. This is because The carpet is a better conductor of heat than the stone The floor and carpet are at different temperatures The stone conveys the heat away from the feet more rapidly than the carpet The human body maintains a constant temperature The carpet is a better conductor of heat than the stone The floor and carpet are at different temperatures The stone conveys the heat away from the feet more rapidly than the carpet The human body maintains a constant temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Two stones of unequal masses are thrown vertically up with the same velocity. Which of the following will happen? The lighter mass will reach greater height The heavier mass will reach greater height Both will reach the same height Any of them may reach greater height The lighter mass will reach greater height The heavier mass will reach greater height Both will reach the same height Any of them may reach greater height ANSWER DOWNLOAD EXAMIANS APP
Physics Which phenomenon is responsible for the echo of sound wave? Reflection Refraction Interference Polarisation Reflection Refraction Interference Polarisation ANSWER DOWNLOAD EXAMIANS APP
Physics What device converts light energy to electrical energy? Heliostats Thermocouple Photovoltaic cell Photodiode Heliostats Thermocouple Photovoltaic cell Photodiode ANSWER DOWNLOAD EXAMIANS APP
Physics The device used for measuring the wavelength of X-rays is Mass Spectrometer Bragg Spectrometer Cyclotron G.M. Counter Mass Spectrometer Bragg Spectrometer Cyclotron G.M. Counter ANSWER DOWNLOAD EXAMIANS APP
Physics An oil drop spreads over water because Oil is lighter than water Oil is more viscous Oil does not mix with water water has a higher surface tension Oil is lighter than water Oil is more viscous Oil does not mix with water water has a higher surface tension ANSWER DOWNLOAD EXAMIANS APP
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