Physics Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit X-rays radio waves visible light ultraviolet light X-rays radio waves visible light ultraviolet light ANSWER DOWNLOAD EXAMIANS APP
Physics Where should a boat compass be mounted? All listed here Near iron Near magnet Away from electrical wiring All listed here Near iron Near magnet Away from electrical wiring ANSWER DOWNLOAD EXAMIANS APP
Physics Why are we able to hear short wave broadcasts better than long wave broadcasts ? By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. Short waves are unaffected by atmospheric disturbances. Short waves are more energetic than long waves. Short wave broadcasts are made by nearby radio stations. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. Short waves are unaffected by atmospheric disturbances. Short waves are more energetic than long waves. Short wave broadcasts are made by nearby radio stations. ANSWER DOWNLOAD EXAMIANS APP
Physics When an electric bulb breaks, there is an explosive sound. That is due to None of these The chemical reaction between the gases inside the bulb The compressed gases inside rushing out suddenly The air outside rushing in to fill the vacuum inside the bulb None of these The chemical reaction between the gases inside the bulb The compressed gases inside rushing out suddenly The air outside rushing in to fill the vacuum inside the bulb ANSWER DOWNLOAD EXAMIANS APP
Physics At what temperature (in degree Celsius), the numerical values on Celsius and Fahrenheit scales become equal? 273 –40 –273 40 273 –40 –273 40 ANSWER DOWNLOAD EXAMIANS APP
Physics Let a thin capillary tube be replaced with another tube of insufficient length then, we find water change its meniscus will not rise depressed will overflow change its meniscus will not rise depressed will overflow ANSWER DOWNLOAD EXAMIANS APP
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