Physics Sound waves cannot travel in Hydrogen gas Vacuum Water Glass Hydrogen gas Vacuum Water Glass ANSWER DOWNLOAD EXAMIANS APP
Physics A single fixed pulley is used to draw water from a well because Velocity ratio is low Force is applied in a convenient direction Efficiency is 100% Mechanical advantage is high Velocity ratio is low Force is applied in a convenient direction Efficiency is 100% Mechanical advantage is high ANSWER DOWNLOAD EXAMIANS APP
Physics Energy stored in the nucleus of an atom is called Potential energy Kinetic energy Nuclear energy Atomic energy Potential energy Kinetic energy Nuclear energy Atomic energy ANSWER DOWNLOAD EXAMIANS APP
Physics The colour of sky appears blue due to Scattering of shorter wave lengths Reflection Dispersion Refraction Scattering of shorter wave lengths Reflection Dispersion Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics Why are we able to hear short wave broadcasts better than long wave broadcasts ? Short wave broadcasts are made by nearby radio stations. Short waves are more energetic than long waves. Short waves are unaffected by atmospheric disturbances. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. Short wave broadcasts are made by nearby radio stations. Short waves are more energetic than long waves. Short waves are unaffected by atmospheric disturbances. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. ANSWER DOWNLOAD EXAMIANS APP
Physics When an unbalanced force acts on an object The speed & direction of the object will change Causes change in motion of the object All of these Causes the object to move The speed & direction of the object will change Causes change in motion of the object All of these Causes the object to move ANSWER DOWNLOAD EXAMIANS APP
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