Physics Optical Fibre technology works on which of these principles of Physics? Bernoulli's Principle Photoelectric effect Total internal reflection of Light Newton's law of Motion Bernoulli's Principle Photoelectric effect Total internal reflection of Light Newton's law of Motion ANSWER DOWNLOAD EXAMIANS APP
Physics In very cold countries alcohol is used as a thermometric liquid because Alcohol can be coloured for its level to be seen easily Its freezing point is very low It will not stick to the glass tube Alcohol is a poor conductor of heat Alcohol can be coloured for its level to be seen easily Its freezing point is very low It will not stick to the glass tube Alcohol is a poor conductor of heat ANSWER DOWNLOAD EXAMIANS APP
Physics The reflector of a search light is a : Plane mirror Cylindrical mirror Concave mirror Convex mirror Plane mirror Cylindrical mirror Concave mirror Convex mirror ANSWER DOWNLOAD EXAMIANS APP
Physics In the remote control of television, electromagnetic waves used are Ultraviolet Microwave Radiowave Infrared Ultraviolet Microwave Radiowave Infrared ANSWER DOWNLOAD EXAMIANS APP
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 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. 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). 80 40 20 10 80 40 20 10 ANSWER DOWNLOAD EXAMIANS APP
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