Physics The phenomenon which causes mirage is Diffraction Total internal reflection Interference Polarisation Diffraction Total internal reflection Interference Polarisation ANSWER DOWNLOAD EXAMIANS APP
Physics An egg sinks in soft water but floats in a concentrated solution of salt because Water has high surface tension Albumin dissolves in salt solution and egg becomes lighter Egg absorbs salt from the solution and expands The density of salt solution exceeds the density of eggs Water has high surface tension Albumin dissolves in salt solution and egg becomes lighter Egg absorbs salt from the solution and expands The density of salt solution exceeds the density of eggs ANSWER DOWNLOAD EXAMIANS APP
Physics When a vibrating tuning fork is placed on a table, a loud sound is heard. This is due to : Reflection Refraction Damped vibrations Forced vibrations Reflection Refraction Damped vibrations Forced vibrations ANSWER DOWNLOAD EXAMIANS APP
Physics Why do birds not have respiratory trouble at the time of flying at high altitude ? They use less oxygen They fly inactively They have extra air sacs Their lungs are very large They use less oxygen They fly inactively They have extra air sacs Their lungs are very large ANSWER DOWNLOAD EXAMIANS APP
Physics Light travels fastest in Diamond Glass Air Water Diamond Glass Air Water ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum velocity required for a rocket to overcome earth's gravity and travel into space? 18 km/sec 11.2 km/sec 21 km/sec 35 km/sec 18 km/sec 11.2 km/sec 21 km/sec 35 km/sec ANSWER DOWNLOAD EXAMIANS APP
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