Physics Sun appears red in colour at sunrise and sunset due to That all other colours scatter away except red That sun comes out of the mountains The fact that sun emits only red colour at that time Red light having longer wave length scatters away That all other colours scatter away except red That sun comes out of the mountains The fact that sun emits only red colour at that time Red light having longer wave length scatters away ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not a property of heavy water ? It produces corrosion Boiling point of heavy water is lower than that or ordinary water Freezing point of heavy water is higher than that of ordinary water Density of heavy water is higher than that of ordinary water It produces corrosion Boiling point of heavy water is lower than that or ordinary water Freezing point of heavy water is higher than that of ordinary water Density of heavy water is higher than that of ordinary water ANSWER DOWNLOAD EXAMIANS APP
Physics The force of friction between two surfaces will increase if: Air gap is created between the two surfaces A layer of lubricant is kept between the two surfaces Irregularities on both the surfaces are removed The two surfaces are pressed harder Air gap is created between the two surfaces A layer of lubricant is kept between the two surfaces Irregularities on both the surfaces are removed The two surfaces are pressed harder ANSWER DOWNLOAD EXAMIANS APP
Physics Microphone is a device which transforms the Light signal into sound signal Sound signal into current signal Current signal into sound signal Sound signal into light signal Light signal into sound signal Sound signal into current signal Current signal into sound signal Sound signal into light signal ANSWER DOWNLOAD EXAMIANS APP
Physics Magnifying Glass is basically a Plano-concave lens Convex lens Cylindrical lens Concave lens Plano-concave lens Convex lens Cylindrical lens Concave lens ANSWER DOWNLOAD EXAMIANS APP
Physics When a ship enters the sea from a river It rises or sinks depending on the material it is made of It sinks a little It rises a little It remains at the same level It rises or sinks depending on the material it is made of It sinks a little It rises a little It remains at the same level ANSWER DOWNLOAD EXAMIANS APP