Physics Why does ice covered in sawdust not melt quickly ? Sawdust is good conductor of heat Sawdust does not allow the air to touch the ice Sawdust is a bad conductor of heat The water is absorbed by sawdust Sawdust is good conductor of heat Sawdust does not allow the air to touch the ice Sawdust is a bad conductor of heat The water is absorbed by sawdust ANSWER DOWNLOAD EXAMIANS APP
Physics What is the resistance (in ohm) of an electrical component if a current of 0.1 A passes through it on application of 5 V of potential difference across it? 50 0.5 100 1 50 0.5 100 1 ANSWER DOWNLOAD EXAMIANS APP
Physics Even after sunset, the air near the Earth's surface continue to receive heat due to Insolation Terrestrial Radiation Convection Conduction Insolation Terrestrial Radiation Convection Conduction ANSWER DOWNLOAD EXAMIANS APP
Physics What principle/law explains the working of the hydraulic brakes in automobiles ? Posieulle's principle Bernoulli's law Pascal's law Archimedes' principle Posieulle's principle Bernoulli's law Pascal's law Archimedes' principle ANSWER DOWNLOAD EXAMIANS APP
Physics The sky appears blue due to Mie scattering Rayleigh scattering None of these Back scattering Mie scattering Rayleigh scattering None of these Back scattering ANSWER DOWNLOAD EXAMIANS APP
Physics Purpose of an optical filter is to Reflect lights of different colours Refract light of different colours Dispense light into component colours Transmit or absorb light of different colours Reflect lights of different colours Refract light of different colours Dispense light into component colours Transmit or absorb light of different colours ANSWER DOWNLOAD EXAMIANS APP