Physics Which among the following determines the pitch of a sound? Frequency Loudness Amplitude Wavelength Frequency Loudness Amplitude Wavelength ANSWER DOWNLOAD EXAMIANS APP
Physics Which term is not associated with sound wave? Mach Candela Hertz Decibel Mach Candela Hertz Decibel ANSWER DOWNLOAD EXAMIANS APP
Physics The focal length of a concave mirror with a radius of curvature of 20.0 cm is : 20 cm 15 cm 10 cm 5 cm 20 cm 15 cm 10 cm 5 cm ANSWER DOWNLOAD EXAMIANS APP
Physics Man perceives sound vibrations in the frequency ranges of 20 – 20000 Hz 6 – 10 Hz 11 – 20 Hz 0 – 5 Hz 20 – 20000 Hz 6 – 10 Hz 11 – 20 Hz 0 – 5 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics When a steel ball is placed on the surface of mercury, it does not sink because The density of mercury is greater than that of steel Of the high viscosity of mercury Of the surface tension of mercury Mercury is a semisolid The density of mercury is greater than that of steel Of the high viscosity of mercury Of the surface tension of mercury Mercury is a semisolid ANSWER DOWNLOAD EXAMIANS APP
Physics Light travels slowest in Water Vacuum Glass Air Water Vacuum Glass Air ANSWER DOWNLOAD EXAMIANS APP