Physics Speed of sound is the greatest in : Air Glass Glycerine Water Air Glass Glycerine Water ANSWER DOWNLOAD EXAMIANS APP
Physics When a ship enters the sea from a river It rises a little It sinks a little It remains at the same level It rises or sinks depending on the material it is made of It rises a little It sinks a little It remains at the same level It rises or sinks depending on the material it is made of ANSWER DOWNLOAD EXAMIANS APP
Physics Microphone is a device which transforms the Sound signal into current signal Sound signal into light signal Light signal into sound signal Current signal into sound signal Sound signal into current signal Sound signal into light signal Light signal into sound signal Current signal into sound signal 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 Frost makes the pipes rusty, so they break The material of which pipes are made contracts due to cold and so breaks None of these Water in the pipes freezes and on freezing water expands, so pipes break Frost makes the pipes rusty, so they break The material of which pipes are made contracts due to cold and so breaks None of these ANSWER DOWNLOAD EXAMIANS APP
Physics When a ball is thrown vertically upwards, which of the following quantities remains constant during its motion? Displacement Energy Acceleration Velocity Displacement Energy Acceleration Velocity ANSWER DOWNLOAD EXAMIANS APP
Physics Why is it difficult to breathe at higher altitudes? Due to low air pressure Due to ozone Due to high humidity Due to low temperature Due to low air pressure Due to ozone Due to high humidity Due to low temperature ANSWER DOWNLOAD EXAMIANS APP