Physics Mach number is used in connection with the speed of ships spacecraft sound aircraft ships spacecraft sound aircraft ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in air Decreases with decrease of temperature Decreases with increase of temperature Increases with decrease of temperature Does not depend on temperature Decreases with decrease of temperature Decreases with increase of temperature Increases with decrease of temperature Does not depend on temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following colour of light deviates least through the prism? Violet Red Green Yellow Violet Red Green Yellow ANSWER DOWNLOAD EXAMIANS APP
Physics The earth-wire of a cable is connected to The outer metallic body of the appliance The fuse of the appliance The filament of the appliance Short circuitry of the appliance The outer metallic body of the appliance The fuse of the appliance The filament of the appliance Short circuitry of the appliance ANSWER DOWNLOAD EXAMIANS APP
Physics Why does water tank appear shallower when viewed from the top? Due to total internal reflection Due to diffraction Due to refraction Due to reflection Due to total internal reflection Due to diffraction Due to refraction Due to reflection ANSWER DOWNLOAD EXAMIANS APP
Physics When a vibrating tuning fork is placed on a table, a loud sound is heard. This is due to : Forced vibrations Damped vibrations Reflection Refraction Forced vibrations Damped vibrations Reflection Refraction ANSWER DOWNLOAD EXAMIANS APP
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