Physics The absolute refractive index of any medium is always: Less than one 1 More than one Less than one 1 More than one ANSWER DOWNLOAD EXAMIANS APP
Physics An egg sinks in soft water but floats in a concentrated solution of salt because Albumin dissolves in salt solution and egg becomes lighter The density of salt solution exceeds the density of eggs Egg absorbs salt from the solution and expands Water has high surface tension Albumin dissolves in salt solution and egg becomes lighter The density of salt solution exceeds the density of eggs Egg absorbs salt from the solution and expands Water has high surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics Which type of mirror is used in the head lights of vehicles ? Convex mirror Plane mirror Parabolic mirror Concave mirror Convex mirror Plane mirror Parabolic mirror Concave mirror ANSWER DOWNLOAD EXAMIANS APP
Physics Why does'nt the hydrogen atom emit X-rays? It is very small in size Its energy levels are very close to each other It is highly electropositive It has only one electron It is very small in size Its energy levels are very close to each other It is highly electropositive It has only one electron ANSWER DOWNLOAD EXAMIANS APP
Physics Ice is packed in saw dust because Saw dust will not get melted easily. Saw dust does not stick to the ice. Saw dust is a good conductor of heat. Saw dust is poor conductor of heat. Saw dust will not get melted easily. Saw dust does not stick to the ice. Saw dust is a good conductor of heat. Saw dust is poor conductor of heat. ANSWER DOWNLOAD EXAMIANS APP
Physics Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by Ozone Chlorine Ammonia Carbon dioxide Ozone Chlorine Ammonia Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP