Physics Light travels at the fastest speed in: hydrogen vacuum glass water hydrogen vacuum glass water ANSWER DOWNLOAD EXAMIANS APP
Physics When two ice cubes are pressed together, they join to form one cube. Which one of the following helps to hold them together? Hydrogen bond formation Covalent attraction Vander waals forces Dipole interaction Hydrogen bond formation Covalent attraction Vander waals forces Dipole interaction ANSWER DOWNLOAD EXAMIANS APP
Physics What is the unit of relative density? Kg/m2 Kg/m Kg/m3 It has no unit Kg/m2 Kg/m Kg/m3 It has no unit ANSWER DOWNLOAD EXAMIANS APP
Physics A body of mass 5 kg accelerates from 12 m/s to 20 m/s in 4 seconds due to the application of a force on it. Calculate the magnitude of this force (in N). 20 40 10 80 20 40 10 80 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. 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 wave broadcasts are made by nearby radio stations. 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 waves are more energetic than long waves. Short wave broadcasts are made by nearby radio stations. ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following waves cannot be polarised? Radio Ultrasonic Ultra violet Infrared Radio Ultrasonic Ultra violet Infrared ANSWER DOWNLOAD EXAMIANS APP