Physics Acceptable noise level for human ear None of these > 85 db = 85 db < 85 db None of these > 85 db = 85 db < 85 db ANSWER DOWNLOAD EXAMIANS APP
Physics Why are we able to hear short wave broadcasts better than long wave broadcasts ? Short waves are more energetic than long waves. Short waves are unaffected by atmospheric disturbances. Short wave broadcasts are made by nearby radio stations. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. Short waves are more energetic than long waves. Short waves are unaffected by atmospheric disturbances. Short wave broadcasts are made by nearby radio stations. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. ANSWER DOWNLOAD EXAMIANS APP
Physics Kilowatt-hour is the unit of : Force Momentum Power Energy Force Momentum Power Energy ANSWER DOWNLOAD EXAMIANS APP
Physics The radiant energy having lowest energy is UV rays Gamma rays Microwave radiation Visible light UV rays Gamma rays Microwave radiation Visible light ANSWER DOWNLOAD EXAMIANS APP
Physics A drop of liquid assumes spherical shape because: Intermolecular forces are strong in liquids A sphere has the least surface area for a given volume Inter molecular forces are weak in liquids A sphere has the largest surface area for a given volume Intermolecular forces are strong in liquids A sphere has the least surface area for a given volume Inter molecular forces are weak in liquids A sphere has the largest surface area for a given volume ANSWER DOWNLOAD EXAMIANS APP
Physics A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ? Dacrease Will increase first and then dcrease Increase Remain constant Dacrease Will increase first and then dcrease Increase Remain constant ANSWER DOWNLOAD EXAMIANS APP
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