Physics Water pipes in hilly areas often burst on a cold frosty night, because The material of which pipes are made contracts due to cold and so breaks Frost makes the pipes rusty, so they break None of these Water in the pipes freezes and on freezing water expands, so pipes break The material of which pipes are made contracts due to cold and so breaks Frost makes the pipes rusty, so they break None of these Water in the pipes freezes and on freezing water expands, so pipes break ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following processes is responsible for the glittering of air bubble rising through water? Reflection of light Refraction of light Scattering of light Total internal reflection of light Reflection of light Refraction of light Scattering of light Total internal reflection of light ANSWER DOWNLOAD EXAMIANS APP
Physics A white and smooth surface is Bad absorber and bad reflector of heat Good absorber and bad reflector of heat Good absorber and good reflector of heat Bad absorber and good reflector of heat Bad absorber and bad reflector of heat Good absorber and bad reflector of heat Good absorber and good reflector of heat Bad absorber and good reflector of heat ANSWER DOWNLOAD EXAMIANS APP
Physics Sound waves cannot travel through Solid Liquid Gas Vacuum Solid Liquid Gas Vacuum ANSWER DOWNLOAD EXAMIANS APP
Physics An instrument that records earthquakes is Ediograph Seismograph Thermograph Ergograph Ediograph Seismograph Thermograph Ergograph ANSWER DOWNLOAD EXAMIANS APP
Physics The spring constant of a spring depends on its Thickness, its diameter and its material Material only Length and its diameter Length only Thickness, its diameter and its material Material only Length and its diameter Length only ANSWER DOWNLOAD EXAMIANS APP