Physics A star appears twinkling in the sky because of Diffraction of light by atmosphere Refraction of light by atmosphere Scattering of light by atmosphere Reflection of light by atmosphere Diffraction of light by atmosphere Refraction of light by atmosphere Scattering of light by atmosphere Reflection of light by atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument that measures and records the relative humidity of air is Barometer Lactometer Hydrometer Hygrometer Barometer Lactometer Hydrometer Hygrometer ANSWER DOWNLOAD EXAMIANS APP
Physics Circuit breaker usually operate under Sub-transient state of short-circuit current After D. C. component has ceased Transient state of short-circuit current Steady state of short-circuit current Sub-transient state of short-circuit current After D. C. component has ceased Transient state of short-circuit current Steady state of short-circuit current ANSWER DOWNLOAD EXAMIANS APP
Physics Nuclear reactors used to produce electricity are based on Nuclear fusion Cold fusion Superconductivity Nuclear fission Nuclear fusion Cold fusion Superconductivity Nuclear fission ANSWER DOWNLOAD EXAMIANS APP
Physics If an object is thrown upwards, what will be its velocity, when it reaches its maximum height? 0 m/s 4.9 m/s 14.7 m/s 20 m/s 0 m/s 4.9 m/s 14.7 m/s 20 m/s 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: cohesion of water is greater than its adhesion with glass. cohesion of mercury is greater than its adhesion with glass. density of mercury is greater than that of water. mercury is a metal. cohesion of water is greater than its adhesion with glass. cohesion of mercury is greater than its adhesion with glass. density of mercury is greater than that of water. mercury is a metal. ANSWER DOWNLOAD EXAMIANS APP