Physics Sound travels at the fastest speed in water vacuum air steel water vacuum air steel ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has got more heat capacity ? Benzene Water Iron piece Gold piece Benzene Water Iron piece Gold piece ANSWER DOWNLOAD EXAMIANS APP
Physics Acceptable noise level for human ear < 85 db > 85 db None of these = 85 db < 85 db > 85 db None of these = 85 db ANSWER DOWNLOAD EXAMIANS APP
Physics Unit of impedance is ________ Ohm Henry Hertz Tesla Ohm Henry Hertz Tesla ANSWER DOWNLOAD EXAMIANS APP
Physics Man perceives sound vibrations in the frequency ranges of 6 – 10 Hz 20 – 20000 Hz 0 – 5 Hz 11 – 20 Hz 6 – 10 Hz 20 – 20000 Hz 0 – 5 Hz 11 – 20 Hz 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. 40 2000 4000 80 40 2000 4000 80 ANSWER DOWNLOAD EXAMIANS APP