Physics Instrument used to study the behaviour of a vibrating string is : Hygrometer Barometer Sonometer Hydrometer Hygrometer Barometer Sonometer Hydrometer ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to change the speed of an electric fan is Regulator Rectifier Amplifier Switch Regulator Rectifier Amplifier Switch ANSWER DOWNLOAD EXAMIANS APP
Physics Quality of a musical note depends on Velocity of sound in the medium Harmonics present Fundamental frequency Amplitude of the wave Velocity of sound in the medium Harmonics present Fundamental frequency Amplitude of the wave ANSWER DOWNLOAD EXAMIANS APP
Physics The SI unit of luminous emittance is : Lumen Lumen second Lux Candela Lumen Lumen second Lux Candela ANSWER DOWNLOAD EXAMIANS APP
Physics When white light passes through a glass prism we get a spectrum on the other side of the prism. In the emergent beam the ray which is deviated least is The violet ray The blue ray The red ray The green ray The violet ray The blue ray The red ray The green ray ANSWER DOWNLOAD EXAMIANS APP
Physics Light year is a unit of Light Intensity of light Distance Time Light Intensity of light Distance Time ANSWER DOWNLOAD EXAMIANS APP
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