Physics Which one is the unit of surface tension of a liquid Newton /m2 Electron volt /cm2 Joule/ mm None of these Newton /m2 Electron volt /cm2 Joule/ mm None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Speed of sound is the greatest in : Water Glass Air Glycerine Water Glass Air Glycerine ANSWER DOWNLOAD EXAMIANS APP
Physics Man perceives sound vibrations in the frequency ranges of 20 – 20000 Hz 11 – 20 Hz 6 – 10 Hz 0 – 5 Hz 20 – 20000 Hz 11 – 20 Hz 6 – 10 Hz 0 – 5 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a renewable resource of energy? Wind energy All of these Solar energy Hydrogen fuel Wind energy All of these Solar energy Hydrogen fuel ANSWER DOWNLOAD EXAMIANS APP
Physics The sky appears blue due to Back scattering Rayleigh scattering Mie scattering None of these Back scattering Rayleigh scattering Mie scattering None of these ANSWER DOWNLOAD EXAMIANS APP
Physics When a light wave is reflected from a mirror, there is a change in its Frequency Amplitude Velocity Wavelength Frequency Amplitude Velocity Wavelength ANSWER DOWNLOAD EXAMIANS APP