Physics Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by Carbon dioxide Chlorine Ozone Ammonia Carbon dioxide Chlorine Ozone Ammonia ANSWER DOWNLOAD EXAMIANS APP
Physics Who among the following discovered X-rays? J.J Thomson W.C Roentgen Marie Curie James Chadwick J.J Thomson W.C Roentgen Marie Curie James Chadwick ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the lowest frequency? Gamma rays Visible light Xrays Ultra violet rays Gamma rays Visible light Xrays Ultra violet rays ANSWER DOWNLOAD EXAMIANS APP
Physics A piece of wood is held under water. The upthrust on it will be: Equal to the weight of the wood Zero More than weight of the wood Less than weight of the wood Equal to the weight of the wood Zero More than weight of the wood Less than weight of the wood ANSWER DOWNLOAD EXAMIANS APP
Physics Velocitation is the tendency to None of these Be traveling at a speed that is slower than perceived Be traveling at a speed that is faster than perceived Both A & B None of these Be traveling at a speed that is slower than perceived Be traveling at a speed that is faster than perceived Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics A bottle of sodalime is grasped by the neck and swung briskly in a vertical circle, Near which portion of the bottle do the bubbles collect? Near the bottom Near the neck Bubbles remain distributed uniformly In the middle of the bottom Near the bottom Near the neck Bubbles remain distributed uniformly In the middle of the bottom ANSWER DOWNLOAD EXAMIANS APP