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: cohesion of water is greater than its adhesion with glass. mercury is a metal. density of mercury is greater than that of water. cohesion of mercury is greater than its adhesion with glass. cohesion of water is greater than its adhesion with glass. mercury is a metal. density of mercury is greater than that of water. cohesion of mercury is greater than its adhesion with glass. ANSWER DOWNLOAD EXAMIANS APP
Physics The number of waves per second in a sound is called ________ of that sound. Displacement Acceleration Velocity Frequency Displacement Acceleration Velocity Frequency ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of light in air is 8 × 103 m/s 3 × 10–8 m/s 3 × 108 m/s Infinity 8 × 103 m/s 3 × 10–8 m/s 3 × 108 m/s Infinity ANSWER DOWNLOAD EXAMIANS APP
Physics Electric current is measured by which instrument? Voltmeter Sinometer Ammeter Barometer Voltmeter Sinometer Ammeter Barometer ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is a non-dimensional quantity? Strain Plank's constant Gas constant Co-efficient of viscocity Strain Plank's constant Gas constant Co-efficient of viscocity ANSWER DOWNLOAD EXAMIANS APP
Physics When the Sun is near the horizon during the morning or evening, it appears reddish. The phenomenon that is responsible for this observation is Scattering of light Refraction of light Dispersion of light Reflection of light Scattering of light Refraction of light Dispersion of light Reflection of light ANSWER DOWNLOAD EXAMIANS APP
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