Physics Supersonic plane fly with the speed of sound of light greater than the speed of sound less than the speed of sound of sound of light greater than the speed of sound less than the speed of sound ANSWER DOWNLOAD EXAMIANS APP
Physics After long periods of use, a grey spot develops on the inside of a bulb. This is because Glass undergoes a change due to the heat Dust inside the bulb condenses on the top The tungsten filament evaporates and collects there The heat of the bulb scorches the glass at the top Glass undergoes a change due to the heat Dust inside the bulb condenses on the top The tungsten filament evaporates and collects there The heat of the bulb scorches the glass at the top ANSWER DOWNLOAD EXAMIANS APP
Physics When a ship enters the sea from a river It remains at the same level It sinks a little It rises or sinks depending on the material it is made of It rises a little It remains at the same level It sinks a little It rises or sinks depending on the material it is made of It rises a little ANSWER DOWNLOAD EXAMIANS APP
Physics In mirrors the back surface is coated with a thin layer of : Silver nitrate Mercury Silver Red oxide Silver nitrate Mercury Silver Red oxide ANSWER DOWNLOAD EXAMIANS APP
Physics What is the wavelength of visible spectrum ? 3900 A° – 7600 A° 8500 A° – 9800 A° 1300 A°–3000 A° 7800 A° – 8000 A° 3900 A° – 7600 A° 8500 A° – 9800 A° 1300 A°–3000 A° 7800 A° – 8000 A° ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the unit of perceived loudness of sound ? Sone Decibel Hertz Phon Sone Decibel Hertz Phon ANSWER DOWNLOAD EXAMIANS APP
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