Physics The atmospheric layer reflecting radio waves is called Ozonosphere Stratosphere Mesosphere Ionosphere Ozonosphere Stratosphere Mesosphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Find the resistance (in mega) of a wire of length 20m, cross sectional area 1 cm2 and made of a material of resistivity 200m. 2000 80 40 4000 2000 80 40 4000 ANSWER DOWNLOAD EXAMIANS APP
Physics Quality of a musical note depends on Amplitude of the wave Harmonics present Velocity of sound in the medium Fundamental frequency Amplitude of the wave Harmonics present Velocity of sound in the medium Fundamental frequency ANSWER DOWNLOAD EXAMIANS APP
Physics A fresh egg when placed in salt water will Float Burst Sink but will not go to the bottom Sink and go to the bottom Float Burst Sink but will not go to the bottom Sink and go to the bottom ANSWER DOWNLOAD EXAMIANS APP
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 Stars appears to move from east to west because The earth rotates from east to west All stars move from east to west The background of the stars moves from west to east The earth rotates from west to east The earth rotates from east to west All stars move from east to west The background of the stars moves from west to east The earth rotates from west to east ANSWER DOWNLOAD EXAMIANS APP