Physics Which is best used as a sound absorbing material in partition walls ? Stone chips Steel Glass pieces Glass - wool Stone chips Steel Glass pieces Glass - wool ANSWER DOWNLOAD EXAMIANS APP
Physics An oil drop spreads over water because water has a higher surface tension Oil is more viscous Oil is lighter than water Oil does not mix with water water has a higher surface tension Oil is more viscous Oil is lighter than water Oil does not mix with water ANSWER DOWNLOAD EXAMIANS APP
Physics Unit of impedance is ________ Ohm Tesla Hertz Henry Ohm Tesla Hertz Henry ANSWER DOWNLOAD EXAMIANS APP
Physics Man perceives sound vibrations in the frequency ranges of 11 – 20 Hz 0 – 5 Hz 6 – 10 Hz 20 – 20000 Hz 11 – 20 Hz 0 – 5 Hz 6 – 10 Hz 20 – 20000 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of measurement of noise is Hertz Decibel Acoustics Amplifier Hertz Decibel Acoustics Amplifier ANSWER DOWNLOAD EXAMIANS APP
Physics The method of magnetisation is: Hammering a magnet Heating a magnet Passing alternating current through it Passing direct current through it Hammering a magnet Heating a magnet Passing alternating current through it Passing direct current through it ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS