Physics The type of mirrors used in the headlamp of cars is Spherical convex Plane Cylindrical concave Parabolic concave Spherical convex Plane Cylindrical concave Parabolic concave ANSWER DOWNLOAD EXAMIANS APP
Physics Ohm's law is valid in case of Conductor Insulator Semiconductor Superconductor Conductor Insulator Semiconductor Superconductor ANSWER DOWNLOAD EXAMIANS APP
Physics Circuit breaker usually operate under Sub-transient state of short-circuit current After D. C. component has ceased Steady state of short-circuit current Transient state of short-circuit current Sub-transient state of short-circuit current After D. C. component has ceased Steady state of short-circuit current Transient state of short-circuit current ANSWER DOWNLOAD EXAMIANS APP
Physics The force of friction between two surfaces will increase if: Irregularities on both the surfaces are removed Air gap is created between the two surfaces The two surfaces are pressed harder A layer of lubricant is kept between the two surfaces Irregularities on both the surfaces are removed Air gap is created between the two surfaces The two surfaces are pressed harder A layer of lubricant is kept between the two surfaces ANSWER DOWNLOAD EXAMIANS APP
Physics When a person sitting on a swing stands up on the swing, the frequency of oscillation Decreases Increases Becomes infinite Does not change Decreases Increases Becomes infinite Does not change 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. density of mercury is greater than that of water. mercury is a metal. cohesion of mercury is greater than its adhesion with glass. cohesion of water is greater than its adhesion with glass. density of mercury is greater than that of water. mercury is a metal. cohesion of mercury is greater than its adhesion with glass. ANSWER DOWNLOAD EXAMIANS APP