Physics Which determines the frequency of a sound wave? Source Speed Medium Amplitude Source Speed Medium Amplitude ANSWER DOWNLOAD EXAMIANS APP
Physics Quality of a musical note depends on Fundamental frequency Harmonics present Velocity of sound in the medium Amplitude of the wave Fundamental frequency Harmonics present Velocity of sound in the medium Amplitude of the wave ANSWER DOWNLOAD EXAMIANS APP
Physics Why two thin shirts can keep us warmer than a single thick shirt in winter ? Air layer between two shirts behaves like insulating media Air layer between two shirts works as good conductor No radiation of heat takes place Two thin shirts become thicker so prevent transmission of heat Air layer between two shirts behaves like insulating media Air layer between two shirts works as good conductor No radiation of heat takes place Two thin shirts become thicker so prevent transmission of heat ANSWER DOWNLOAD EXAMIANS APP
Physics Fibre optics work on the principle of Total internal reflection Optical rotation Scattering of light Total internal absorption Total internal reflection Optical rotation Scattering of light Total internal absorption ANSWER DOWNLOAD EXAMIANS APP
Physics The reverse effect of X–ray emission is Raman effect Compton effect Zeeman effect Photoelectric Raman effect Compton effect Zeeman effect Photoelectric ANSWER DOWNLOAD EXAMIANS APP
Physics In a refrigerator what produces the cooling ? The sudden expansion of a compressed gas The evaporation of a volatile liquid None of these The ice which deposits on the freezer The sudden expansion of a compressed gas The evaporation of a volatile liquid None of these The ice which deposits on the freezer ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS