Physics What is the minimum distance (in metres) required to hear an echo? 13 21 17 10 13 21 17 10 ANSWER DOWNLOAD EXAMIANS APP
Physics The atmospheric layer reflecting radio waves is called Ionosphere Mesosphere Stratosphere Ozonosphere Ionosphere Mesosphere Stratosphere Ozonosphere ANSWER DOWNLOAD EXAMIANS APP
Physics In which one of the following the phenomenon of total internal reflection of light is used ? Working of binoculars Formation of mirage Formation of rainbow Twinkling of stars Working of binoculars Formation of mirage Formation of rainbow Twinkling of stars ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these travels in glass with minimum velocity ? Violet light Red light Yellow light Green light Violet light Red light Yellow light Green light ANSWER DOWNLOAD EXAMIANS APP
Physics The centre of gravity of a sprinter during the race lies Ahead of his feet To the left side of the body At the centre of the body Behind his feet Ahead of his feet To the left side of the body At the centre of the body Behind his feet ANSWER DOWNLOAD EXAMIANS APP
Physics Decibel is the unit used for Intensity of sound Intensity of heat Speed of light Radio wave frequency Intensity of sound Intensity of heat Speed of light Radio wave frequency ANSWER DOWNLOAD EXAMIANS APP
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