Physics Instrument used to study the behaviour of a vibrating string is : Barometer Sonometer Hygrometer Hydrometer Barometer Sonometer Hygrometer Hydrometer ANSWER DOWNLOAD EXAMIANS APP
Physics Radio waves sent out by a radio stations are reflected by Troposphere Ionosphere Stratosphere Mesosphere Troposphere Ionosphere Stratosphere Mesosphere ANSWER DOWNLOAD EXAMIANS APP
Physics What is the resistance (in ohm) of an electrical component if a current of 0.1 A passes through it on application of 5 V of potential difference across it? 1 50 100 0.5 1 50 100 0.5 ANSWER DOWNLOAD EXAMIANS APP
Physics One light year is equal to 2 trillion miles 6 trillion miles 9 trillion miles 8 trillion miles 2 trillion miles 6 trillion miles 9 trillion miles 8 trillion miles ANSWER DOWNLOAD EXAMIANS APP
Physics Red is used as an emergency or danger signal as It has very high energy Its wavelength is the longest It is a striking colour It is scattered It has very high energy Its wavelength is the longest It is a striking colour It is scattered ANSWER DOWNLOAD EXAMIANS APP
Physics A hydrogen balloon floats up because of Air pressure decreases with decrease in weight Weight of the balloon is less than the weight of air displaced by it. Air pressure decreases with decrease in height The pressure inside the balloon is more than the pressure outside it Air pressure decreases with decrease in weight Weight of the balloon is less than the weight of air displaced by it. Air pressure decreases with decrease in height The pressure inside the balloon is more than the pressure outside it ANSWER DOWNLOAD EXAMIANS APP
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