Physics Which determines the frequency of a sound wave? Medium Source Speed Amplitude Medium Source Speed Amplitude ANSWER DOWNLOAD EXAMIANS APP
Physics A tank filled partially with a liquid is subjected to a uniform horizontal acceleration. Which of the following is true for the surface of liquid in the tank? The liquid surface falls down only at the center of the tank None The surface of the liquid remains horizontal The liquid surface falls down on the direction of motion and rises up on the back side of the tank The liquid surface falls down only at the center of the tank None The surface of the liquid remains horizontal The liquid surface falls down on the direction of motion and rises up on the back side of the tank ANSWER DOWNLOAD EXAMIANS APP
Physics Tungsten is used for the manufacture of the filament of an electric bulb, because It has a very high melting point It is a good conductor It is economical It is malleable It has a very high melting point It is a good conductor It is economical It is malleable ANSWER DOWNLOAD EXAMIANS APP
Physics Man perceives sound vibrations in the frequency ranges of 20 – 20000 Hz 11 – 20 Hz 6 – 10 Hz 0 – 5 Hz 20 – 20000 Hz 11 – 20 Hz 6 – 10 Hz 0 – 5 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to change the speed of an electric fan is Rectifier Switch Amplifier Regulator Rectifier Switch Amplifier Regulator ANSWER DOWNLOAD EXAMIANS APP
Physics Ocean currents are an example of Insulation Convection Conduction Radiation Insulation Convection Conduction Radiation ANSWER DOWNLOAD EXAMIANS APP
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