Physics What is the minimum distance (in metres) required to hear an echo? 17 21 10 13 17 21 10 13 ANSWER DOWNLOAD EXAMIANS APP
Physics Why are we able to hear short wave broadcasts better than long wave broadcasts ? Short waves are unaffected by atmospheric disturbances. Short waves are more energetic than long waves. 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 unaffected by atmospheric disturbances. Short waves are more energetic than long waves. 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 The atmosphere is heated mainly by Radiation Insolation Convection Conduction Radiation Insolation Convection Conduction ANSWER DOWNLOAD EXAMIANS APP
Physics Nuclear sizes are expressed in a unit named Fermi Tesla Newton Angstrom Fermi Tesla Newton Angstrom ANSWER DOWNLOAD EXAMIANS APP
Physics The density of water is 1 g/cc. This is strictly valid at 4°C 0°C 25°C 100°C 4°C 0°C 25°C 100°C ANSWER DOWNLOAD EXAMIANS APP
Physics The electrical domestic tube light gives white fluorescent light because of Vacuum inside the tube Heavy current Colision between molecules of filled gas under electric current Falling of ultra violet rays on the white inner coating of the tube Vacuum inside the tube Heavy current Colision between molecules of filled gas under electric current Falling of ultra violet rays on the white inner coating of the tube ANSWER DOWNLOAD EXAMIANS APP