Physics Heat is transmitted from higher temperature to lower temperature through the actual motion of the molecules in Both conduction and convection Radiation Convection Conduction Both conduction and convection Radiation Convection Conduction ANSWER DOWNLOAD EXAMIANS APP
Physics A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will Have its shape changed Increase Remain unaffected Decrease Have its shape changed Increase Remain unaffected Decrease ANSWER DOWNLOAD EXAMIANS APP
Physics Water pipes in hilly areas often burst on a cold frosty night, because 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 None of these Frost makes the pipes rusty, so they break 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 None of these Frost makes the pipes rusty, so they break ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the metals has the maximum thermal conductivity? Aluminium Iron Copper Silver Aluminium Iron Copper Silver ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of light will be minimum while passing through Glass Water Vaccum Air Glass Water Vaccum Air ANSWER DOWNLOAD EXAMIANS APP
Physics A soap bubble shows colours when illuminated with white light. This is due to Polarisation Interference Reflection Diffraction Polarisation Interference Reflection Diffraction ANSWER DOWNLOAD EXAMIANS APP