Physics In a conductor The valence band and the conduction band overlap each other There is no conduction band The forbidden energy gap is very narrow The forbidden energy gap is very wide The valence band and the conduction band overlap each other There is no conduction band The forbidden energy gap is very narrow The forbidden energy gap is very wide ANSWER DOWNLOAD EXAMIANS APP
Physics What measures Air pressure? Barkometer Barometer Bolometer Spectrometer Barkometer Barometer Bolometer Spectrometer ANSWER DOWNLOAD EXAMIANS APP
Physics A television channel is characterised by Frequency of transmitted signal Physical dimension of television screen Velocity of transmitted signal Size of picture tube Frequency of transmitted signal Physical dimension of television screen Velocity of transmitted signal Size of picture tube ANSWER DOWNLOAD EXAMIANS APP
Physics Lightning is produced when Water vapour produces electricity in the clouds Similar charges of electricity rush towards each other and then get repelled Strong opposite charges in different clouds break down the resistance offered by the intervening air Clouds strike against impurities in air and the friction burns up these impurities Water vapour produces electricity in the clouds Similar charges of electricity rush towards each other and then get repelled Strong opposite charges in different clouds break down the resistance offered by the intervening air Clouds strike against impurities in air and the friction burns up these impurities ANSWER DOWNLOAD EXAMIANS APP
Physics Find the maximum velocity for the overturn of a car moving on a circular track of radius 100 m. The co-efficient of friction between the road and tyre is 0.2 14 m/s 0.14 m/s 1.4 km/s 140 m/s 14 m/s 0.14 m/s 1.4 km/s 140 m/s ANSWER DOWNLOAD EXAMIANS APP
Physics What is the wavelength of visible spectrum ? 1300 A°–3000 A° 3900 A° – 7600 A° 7800 A° – 8000 A° 8500 A° – 9800 A° 1300 A°–3000 A° 3900 A° – 7600 A° 7800 A° – 8000 A° 8500 A° – 9800 A° ANSWER DOWNLOAD EXAMIANS APP
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