Physics The minimum number of geostationary satellites needed for uninterrupted global coverage is : 3 4 1 2 3 4 1 2 ANSWER DOWNLOAD EXAMIANS APP
Physics The base of an electric iron is brightly polished mainly To reduce heat loss by radiation To make it rust-proof To make it smooth and frictionless To make it more durable To reduce heat loss by radiation To make it rust-proof To make it smooth and frictionless To make it more durable ANSWER DOWNLOAD EXAMIANS APP
Physics A boy is swinging a ball attached to a string in a horizontal circle. If the string snaps It will fall down at the same place where the string breaks It will continue to travel along a tangent to the circle at the point the ball was at the time of snapping and finally fall down None of these The ball will travel towards the center of the circle and fall down It will fall down at the same place where the string breaks It will continue to travel along a tangent to the circle at the point the ball was at the time of snapping and finally fall down None of these The ball will travel towards the center of the circle and fall down ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following waves cannot be polarised? Ultra violet Ultrasonic Infrared Radio Ultra violet Ultrasonic Infrared Radio ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum distance (in metres) required to hear an echo? 17 21 13 10 17 21 13 10 ANSWER DOWNLOAD EXAMIANS APP
Physics The GPS device in an automobile uses which communication channel? Satellite Infrared Microwave Radio frequency Satellite Infrared Microwave Radio frequency ANSWER DOWNLOAD EXAMIANS APP
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