Physics Materials for rain-proof coats and tents owe their water-proof properties to specific gravity elasticity viscosity surface tension specific gravity elasticity viscosity surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics The phenomenon of light associated with the appearance of blue colour of the sky is Interference Refraction Scattering Reflection Interference Refraction Scattering Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because: density of mercury is greater than that of water. cohesion of water is greater than its adhesion with glass. cohesion of mercury is greater than its adhesion with glass. mercury is a metal. density of mercury is greater than that of water. cohesion of water is greater than its adhesion with glass. cohesion of mercury is greater than its adhesion with glass. mercury is a metal. ANSWER DOWNLOAD EXAMIANS APP
Physics A doppler effect occurs when a source of sound moves Towards you Away from you None of these Both A & B Towards you Away from you None of these Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics If the diameter of a capillary is doubled, then the rise of water in it will be Two times Half Four times No change Two times Half Four times No change ANSWER DOWNLOAD EXAMIANS APP
Physics Man perceives sound vibrations in the frequency ranges of 20 – 20000 Hz 6 – 10 Hz 11 – 20 Hz 0 – 5 Hz 20 – 20000 Hz 6 – 10 Hz 11 – 20 Hz 0 – 5 Hz ANSWER DOWNLOAD EXAMIANS APP
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