Physics Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 6 seconds. If the speed of sound is 300 m/s, what could be the maximum and minimum distances between the two persons? 2.2 km, 0.20 km 2.8 km, 0.25 km 1.8 km, 0.15 km 3.3 km, 0.30 km 2.2 km, 0.20 km 2.8 km, 0.25 km 1.8 km, 0.15 km 3.3 km, 0.30 km ANSWER DOWNLOAD EXAMIANS APP
Physics Outside of cooking utensils are generally left black from below because Black surface is a good absorber of heat. It is difficult to clean daily. Black surface is a poor conductor of heat. Black surface is a good conductor of heat. Black surface is a good absorber of heat. It is difficult to clean daily. Black surface is a poor conductor of heat. Black surface is a good conductor of heat. ANSWER DOWNLOAD EXAMIANS APP
Physics The GPS device in an automobile uses which communication channel? Infrared Microwave Radio frequency Satellite Infrared Microwave Radio frequency Satellite ANSWER DOWNLOAD EXAMIANS APP
Physics If the length of a simple pendulum is halved then its period of oscillation is Decreased by a factor 2 Doubled Increased by a factor 2 Halved Decreased by a factor 2 Doubled Increased by a factor 2 Halved ANSWER DOWNLOAD EXAMIANS APP
Physics A cyclist leans inwards when he is negotiating a curve so that He may increase his speed Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. His weight may be reduced No frictional force may be produced between the wheels and the axle He may increase his speed Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. His weight may be reduced No frictional force may be produced between the wheels and the axle ANSWER DOWNLOAD EXAMIANS APP
Physics If the current flowing through a circuit is 0.6 A for 6 mins, the amount of electric charge flowing through it is ________ 216 C 360C 60 C 36 C 216 C 360C 60 C 36 C ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS