Physics Why are we able to hear short wave broadcasts better than long wave broadcasts ? 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. Short wave broadcasts are made by nearby radio stations. Short waves are more energetic than long waves. Short waves are unaffected by atmospheric disturbances. ANSWER DOWNLOAD EXAMIANS APP
Physics 1 m/s equals ________ km/hr 43969 18/5 16/5 43967 43969 18/5 16/5 43967 ANSWER DOWNLOAD EXAMIANS APP
Physics The ''Greenhouse effect' is mainly due to increase in atmospheric Nitrogen Sulphur dioxide Carbon dioxide Ozone Nitrogen Sulphur dioxide Carbon dioxide Ozone ANSWER DOWNLOAD EXAMIANS APP
Physics Pressure Cooker cooks faster because The material of the cooker is a good conductor Higher temperature is attained for cooking It cooks the food at low pressure Boiling point decreases with rise of pressure The material of the cooker is a good conductor Higher temperature is attained for cooking It cooks the food at low pressure Boiling point decreases with rise of pressure ANSWER DOWNLOAD EXAMIANS APP
Physics For a body moving with non-uniform velocity and uniform acceleration Velocity – Time graph is linear Displacement – Time graph is non-linear Displacement – Time graph is linear Velocity – Time graph is nonlinear Velocity – Time graph is linear Displacement – Time graph is non-linear Displacement – Time graph is linear Velocity – Time graph is nonlinear ANSWER DOWNLOAD EXAMIANS APP
Physics In Astrophysics, what name is given to a hypothetical hole in outer space from which stars and energy emerge? White hole Ozone hole Black hole Asteroid belt White hole Ozone hole Black hole Asteroid belt ANSWER DOWNLOAD EXAMIANS APP