Physics A thin oil film on a water surface appears coloured because of Polarization Interference Diffraction Reflection Polarization Interference Diffraction Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Where should a boat compass be mounted? Away from electrical wiring Near magnet All listed here Near iron Away from electrical wiring Near magnet All listed here Near iron ANSWER DOWNLOAD EXAMIANS APP
Physics Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit ultraviolet light X-rays radio waves visible light ultraviolet light X-rays radio waves visible light ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the unit of perceived loudness of sound ? Decibel Phon Sone Hertz Decibel Phon Sone Hertz ANSWER DOWNLOAD EXAMIANS APP
Physics One bar is equal to 105 Pa 103 Pa 104 Pa 106 Pa 105 Pa 103 Pa 104 Pa 106 Pa ANSWER DOWNLOAD EXAMIANS APP
Physics After long periods of use, a grey spot develops on the inside of a bulb. This is because 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 Glass undergoes a change due to the heat ANSWER DOWNLOAD EXAMIANS APP
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