Physics Sound travels with a different speed in media. In what order does the velocity of sound increase in these media? Iron, water and air Iron, air and water Water, iron and air Air, water and iron Iron, water and air Iron, air and water Water, iron and air Air, water and iron ANSWER DOWNLOAD EXAMIANS APP
Physics Wollen clothes keep the body warm because Wool absorbs radiant heat from outer objects Wool is a bad conductor Wool increases the temperature of the body Wool rejects heat from the outer objects Wool absorbs radiant heat from outer objects Wool is a bad conductor Wool increases the temperature of the body Wool rejects heat from the outer objects ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not a part of a CRT ? Phosphor screen Electron gun Gas plasma Shadow mask Phosphor screen Electron gun Gas plasma Shadow mask ANSWER DOWNLOAD EXAMIANS APP
Physics Calculate the time period (in seconds) of a sound wave of wavelength 4m traveling with a speed of 500m/s 1000 2000 0.016 0.008 1000 2000 0.016 0.008 ANSWER DOWNLOAD EXAMIANS APP
Physics Flight Recorder is technically called : Black box Dark box Blind box Altitude meter Black box Dark box Blind box Altitude meter ANSWER DOWNLOAD EXAMIANS APP
Physics In a conductor The forbidden energy gap is very wide There is no conduction band The valence band and the conduction band overlap each other The forbidden energy gap is very narrow The forbidden energy gap is very wide There is no conduction band The valence band and the conduction band overlap each other The forbidden energy gap is very narrow ANSWER DOWNLOAD EXAMIANS APP
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