Physics The sound produced by a bat is– Audible Infrasonic Subsonic Ultrasonic Audible Infrasonic Subsonic Ultrasonic ANSWER DOWNLOAD EXAMIANS APP
Physics How much mechanical work must be done to completely melt 1 gram of ice at 0°C ? 2268 J 336 J 4.2 J 80 J 2268 J 336 J 4.2 J 80 J ANSWER DOWNLOAD EXAMIANS APP
Physics The atmospheric layer reflecting radio waves is called Stratosphere Ionosphere Ozonosphere Mesosphere Stratosphere Ionosphere Ozonosphere Mesosphere ANSWER DOWNLOAD EXAMIANS APP
Physics The threshold frequency is the frequency below which : Photo current increases with voltage Photo current is constant Photo current decreases with voltage Photo electric emission is not possible Photo current increases with voltage Photo current is constant Photo current decreases with voltage Photo electric emission is not possible ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following determines the sharpness of image in a camera ? Size of the camera The focal length of the lens The exposure time The aperture Size of the camera The focal length of the lens The exposure time The aperture ANSWER DOWNLOAD EXAMIANS APP
Physics No current will flow between two charged bodies if they have the same Resistance Potential Charge Charge/ potential ratio Resistance Potential Charge Charge/ potential ratio ANSWER DOWNLOAD EXAMIANS APP
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