Physics Which layer of the earth's atmosphere reflect back the radio waves to the earth's surface ? Mesosphere Stratosphere Ionosphere Exosphere Mesosphere Stratosphere Ionosphere Exosphere ANSWER DOWNLOAD EXAMIANS APP
Physics In SONAR which kind of wave is used? Ultrasonic Audible sound Infrasonic Radio Ultrasonic Audible sound Infrasonic Radio ANSWER DOWNLOAD EXAMIANS APP
Physics According to special theory of relativity the mass of a particle Decreases with decrease in velocity. Decreases with increase in velocity. Is independent of its velocity. Increases with increase in velocity with respect to an observer. Decreases with decrease in velocity. Decreases with increase in velocity. Is independent of its velocity. Increases with increase in velocity with respect to an observer. ANSWER DOWNLOAD EXAMIANS APP
Physics A microscope used in pathological laboratories forms Diminished, virtual and erect image Magnified, virtual, erect image Diminished, real and erect image Magnified, virtual and inverted image Diminished, virtual and erect image Magnified, virtual, erect image Diminished, real and erect image Magnified, virtual and inverted image ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier for a man to swim in sea water, than in river water because The sea is wider than the river The sea is-deeper than the river The density of sea water is lesser than the density of river water The density of sea water is more than the density of river water The sea is wider than the river The sea is-deeper than the river The density of sea water is lesser than the density of river water The density of sea water is more than the density of river water ANSWER DOWNLOAD EXAMIANS APP
Physics X-rays region lies between Short radio waves and long radio waves Visible and infra-red region Gamma-rays and ultraviolet region Ultraviolet and visible region Short radio waves and long radio waves Visible and infra-red region Gamma-rays and ultraviolet region Ultraviolet and visible region ANSWER DOWNLOAD EXAMIANS APP