Physics A body of mass 5 kg accelerates from 12 m/s to 20 m/s in 4 seconds due to the application of a force on it. Calculate the magnitude of this force (in N). 10 80 40 20 10 80 40 20 ANSWER DOWNLOAD EXAMIANS APP
Physics A small gap is left at the joints of rails in a railway track to Keep the rails equidistant Avoid the heating of tracks to high temperature Avoid the tracks being distorted due to seasonal temperature variation Control the speed of train Keep the rails equidistant Avoid the heating of tracks to high temperature Avoid the tracks being distorted due to seasonal temperature variation Control the speed of train ANSWER DOWNLOAD EXAMIANS APP
Physics Acceptable noise level for human ear None of these < 85 db = 85 db > 85 db None of these < 85 db = 85 db > 85 db ANSWER DOWNLOAD EXAMIANS APP
Physics Least audible sound for most of the human ear is : 0.005 µ bar 5.0 µ bar 0.0002 µ bar 10.0 µ bar 0.005 µ bar 5.0 µ bar 0.0002 µ bar 10.0 µ bar ANSWER DOWNLOAD EXAMIANS APP
Physics The redness in atmosphere at Sunrise and Sunset is due to : Dispersion of light Refraction of light Reflection of light Scattering of light Dispersion of light Refraction of light Reflection of light Scattering of light ANSWER DOWNLOAD EXAMIANS APP
Physics These waves cannot be transmitted through vacuum. Light Electromagnetic Heat Sound Light Electromagnetic Heat Sound ANSWER DOWNLOAD EXAMIANS APP
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