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 3.3 km, 0.30 km 1.8 km, 0.15 km 2.2 km, 0.20 km 2.8 km, 0.25 km 3.3 km, 0.30 km 1.8 km, 0.15 km ANSWER DOWNLOAD EXAMIANS APP
Physics Time of exposure required for taking photograph of an object depends upon the Proximity of object Brightness of the object Skill of photographer Size of the object Proximity of object Brightness of the object Skill of photographer Size of the object ANSWER DOWNLOAD EXAMIANS APP
Physics The method of magnetisation is: Passing direct current through it Heating a magnet Hammering a magnet Passing alternating current through it Passing direct current through it Heating a magnet Hammering a magnet Passing alternating current through it ANSWER DOWNLOAD EXAMIANS APP
Physics Rain is falling vertically downwards. To a man running east-wards, the rain will appear to be coming from west northeast east southeast west northeast east southeast ANSWER DOWNLOAD EXAMIANS APP
Physics The fact that the planets move around the Sun, not in circles but in ellipses, was first demonstrated by Copernicus Johannes Kepler Martin Luther Galileo Copernicus Johannes Kepler Martin Luther Galileo ANSWER DOWNLOAD EXAMIANS APP
Physics The pitch of sound depends on its Velocity Intensity Frequency Amplitude Velocity Intensity Frequency Amplitude ANSWER DOWNLOAD EXAMIANS APP
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