Physics What is the minimum distance (in metres) required to hear an echo? 10 21 13 17 10 21 13 17 ANSWER DOWNLOAD EXAMIANS APP
Physics The wall of a dam is broader at the base To withstand pressure that is increased with atmospheric pressure Because streamlining is required To withstand pressure that increases with depth To withstand pressure that increases in a horizontal plane To withstand pressure that is increased with atmospheric pressure Because streamlining is required To withstand pressure that increases with depth To withstand pressure that increases in a horizontal plane ANSWER DOWNLOAD EXAMIANS APP
Physics Which one is not a part of Kepler's Law? Law of periods Law of areas Law of speed Law of orbits Law of periods Law of areas Law of speed Law of orbits ANSWER DOWNLOAD EXAMIANS APP
Physics The pressure exerted by a 760 mm column of mercury at 0°C is known as 1 poise 1 pascal 1 atmosphere 1 bar 1 poise 1 pascal 1 atmosphere 1 bar ANSWER DOWNLOAD EXAMIANS APP
Physics Why does'nt the hydrogen atom emit X-rays? It is very small in size It is highly electropositive Its energy levels are very close to each other It has only one electron It is very small in size It is highly electropositive Its energy levels are very close to each other It has only one electron ANSWER DOWNLOAD EXAMIANS APP
Physics The quality or tone of a musical sound produced by a stringed instrument depends on Frequency of vibration Amplitude of vibration Wave form of the sound Length of the strings in the instrument Frequency of vibration Amplitude of vibration Wave form of the sound Length of the strings in the instrument ANSWER DOWNLOAD EXAMIANS APP