Physics Two waves, each of amplitude 1.5 mm and frequency 10 Hz, are travelling in opposite direction with a speed of 20 mm/s. The distance in mm between adjacent nodes is : 1 1.2 2 1.5 1 1.2 2 1.5 ANSWER DOWNLOAD EXAMIANS APP
Physics Which waves cannot be transmitted through vacuum? Sound Electromagnetic Heat Light Sound Electromagnetic Heat Light ANSWER DOWNLOAD EXAMIANS APP
Physics Acceptable noise level for human ear > 85 db None of these = 85 db < 85 db > 85 db None of these = 85 db < 85 db ANSWER DOWNLOAD EXAMIANS APP
Physics The centre of gravity of a sprinter during the race lies To the left side of the body At the centre of the body Ahead of his feet Behind his feet To the left side of the body At the centre of the body Ahead of his feet Behind his feet ANSWER DOWNLOAD EXAMIANS APP
Physics Oil rises up the wick in a lamp because Of the surface tension phenomenon Of the capillary action phenomenon Of the diffusion of oil through the wick Oil is very light Of the surface tension phenomenon Of the capillary action phenomenon Of the diffusion of oil through the wick Oil is very light ANSWER DOWNLOAD EXAMIANS APP
Physics Sound waves cannot travel in Water Glass Vacuum Hydrogen gas Water Glass Vacuum Hydrogen gas ANSWER DOWNLOAD EXAMIANS APP