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? 1.8 km, 0.15 km 2.2 km, 0.20 km 3.3 km, 0.30 km 2.8 km, 0.25 km 1.8 km, 0.15 km 2.2 km, 0.20 km 3.3 km, 0.30 km 2.8 km, 0.25 km ANSWER DOWNLOAD EXAMIANS APP
Physics Least audible sound for most of the human ear is : 5.0 µ bar 10.0 µ bar 0.005 µ bar 0.0002 µ bar 5.0 µ bar 10.0 µ bar 0.005 µ bar 0.0002 µ bar ANSWER DOWNLOAD EXAMIANS APP
Physics A bucket of water is hung from a spring balance. A piece of iron is suspended in the water without touching the sides or touching the bottom of the bucket. The reading of the spring balance Varies with the increase of depth of the immersion of the iron piece Does not change Will decrease Will increase Varies with the increase of depth of the immersion of the iron piece Does not change Will decrease Will increase 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 36 C 60 C 360C 216 C 36 C 60 C 360C ANSWER DOWNLOAD EXAMIANS APP
Physics Hot water is poured simultaneously in four metallic tumblers painted outside with different paints. After some time the water will be found to have cooled most in the tumbler painted. Rough white Shining white Rough black Shining black Rough white Shining white Rough black Shining black ANSWER DOWNLOAD EXAMIANS APP
Physics The density of the liquid when heated Increases May increase of decrease depending on pressure Decreases Does not change Increases May increase of decrease depending on pressure Decreases Does not change ANSWER DOWNLOAD EXAMIANS APP