Physics The frequency of ultrasound wave is typically Below 02 kHz Above 20 kHz Above 20,000 kHz Below 20 kHz Below 02 kHz Above 20 kHz Above 20,000 kHz Below 20 kHz ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fiber works on the principle of Interference Total internal reflection Refraction Scattering Interference Total internal reflection Refraction Scattering ANSWER DOWNLOAD EXAMIANS APP
Physics A person standing on a railway platform listens to the whistles of arriving and departing trains. The whistle heard is Of higher pitch when train departs Of higher intensity when train arrives The same in both cases in all respects Of higher pitch when train arrives Of higher pitch when train departs Of higher intensity when train arrives The same in both cases in all respects Of higher pitch when train arrives ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a renewable resource of energy? Solar energy Wind energy Hydrogen fuel All of these Solar energy Wind energy Hydrogen fuel All of these ANSWER DOWNLOAD EXAMIANS APP
Physics What is unit of Viscosity ? Newton second per square meter Coulomb Joule per kilogram per Kelvin Watt per meter per degree celcius Newton second per square meter Coulomb Joule per kilogram per Kelvin Watt per meter per degree celcius ANSWER DOWNLOAD EXAMIANS APP
Physics Light travels in a straight line (rectilinear propagation of light). This statement does hold if the medium of travel for light is Of variable refractive index Inhomogeneous and transparent Homogeneous and transparent Made up of slabs of different refractive indices Of variable refractive index Inhomogeneous and transparent Homogeneous and transparent Made up of slabs of different refractive indices ANSWER DOWNLOAD EXAMIANS APP
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