Physics Metals are good conductors of electricity because: The atoms are lightly packed. They contain free electrons. They have high melting point. All of these The atoms are lightly packed. They contain free electrons. They have high melting point. All of these ANSWER DOWNLOAD EXAMIANS APP
Physics Ball bearings are used in cycles, scooters etc to Reduce the friction between ground and the whee Increase the friction between the wheel and the axle Reduce the friction between the wheel and the axle None of these Reduce the friction between ground and the whee Increase the friction between the wheel and the axle Reduce the friction between the wheel and the axle None of these ANSWER DOWNLOAD EXAMIANS APP
Physics A metal-semiconductor junction diode is called ________ Photo diode Schottky diode P-N Juction diode Tunnel diode Photo diode Schottky diode P-N Juction diode Tunnel diode ANSWER DOWNLOAD EXAMIANS APP
Physics The ordinary and maximum tolerance limit of sound by human being is 70 db to 85 db (decibel) 50 db to 70 db (decibel) 60 db to 80 db (decibel) 65 db to 75 db (decibel) 70 db to 85 db (decibel) 50 db to 70 db (decibel) 60 db to 80 db (decibel) 65 db to 75 db (decibel) ANSWER DOWNLOAD EXAMIANS APP
Physics The wall of a dam is made thicker at the bottom than at the top because the pressure exerted by the water on the wall Increases with depth of the wall Depends on the area of the wall Depends on the thickness of the wall Increases with height of the wall Increases with depth of the wall Depends on the area of the wall Depends on the thickness of the wall Increases with height of the wall ANSWER DOWNLOAD EXAMIANS APP
Physics Man perceives sound vibrations in the frequency ranges of 6 – 10 Hz 20 – 20000 Hz 11 – 20 Hz 0 – 5 Hz 6 – 10 Hz 20 – 20000 Hz 11 – 20 Hz 0 – 5 Hz ANSWER DOWNLOAD EXAMIANS APP
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