Physics The speed of light in air is 3 × 10–8 m/s 8 × 103 m/s Infinity 3 × 108 m/s 3 × 10–8 m/s 8 × 103 m/s Infinity 3 × 108 m/s ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of measurement of noise is Hertz Acoustics Decibel Amplifier Hertz Acoustics Decibel Amplifier ANSWER DOWNLOAD EXAMIANS APP
Physics Water has maximum density at 4°C 273°C 0°C 100°C 4°C 273°C 0°C 100°C ANSWER DOWNLOAD EXAMIANS APP
Physics Man perceives sound vibrations in the frequency ranges of 11 – 20 Hz 0 – 5 Hz 6 – 10 Hz 20 – 20000 Hz 11 – 20 Hz 0 – 5 Hz 6 – 10 Hz 20 – 20000 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics Dynamo is a device for converting Heat energy into electrical energy Magnetic energy into electrical energy Chemical energy into electrical energy Mechanical energy into electrical energy Heat energy into electrical energy Magnetic energy into electrical energy Chemical energy into electrical energy Mechanical energy into electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics If we want to calculate the pressure of a liquid at the bottom of a vessel, the quantity which is not required to determine it, is Acceleration due to gravity at the bottom of the vessel Height of the liquid column Density of the liquid Surface area of the bottom of the vessel Acceleration due to gravity at the bottom of the vessel Height of the liquid column Density of the liquid Surface area of the bottom of the vessel ANSWER DOWNLOAD EXAMIANS APP
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