Physics A simple microscope consists of : A short focus concave lens A long focus convex lens A long focus concave lens A short focus convex lens A short focus concave lens A long focus convex lens A long focus concave lens A short focus convex lens ANSWER DOWNLOAD EXAMIANS APP
Physics A convex mirror of focal length f (in air) is immersed in a liquid (u=4/3). The focal length of the mirror in the liquid will be : (4/3)f (7/3)f F (3/4)f (4/3)f (7/3)f F (3/4)f ANSWER DOWNLOAD EXAMIANS APP
Physics The large collection of stars, dust and gas held together by gravitational attraction between components is known as Galaxy Sun Family Cluster Atmosphere Galaxy Sun Family Cluster Atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Find the power of a convex lens if the image formed is at a distance of 16 cm from the lens when the object is placed on the other side of the lens at 20 cm from the optical centre? -11.25 diopters 11.25 diopters -3.75 diopters 3.75 diopters -11.25 diopters 11.25 diopters -3.75 diopters 3.75 diopters ANSWER DOWNLOAD EXAMIANS APP
Physics Parabolic mirrors are used in Car headlights Shaving mirros Dentists mirros Driving mirrors Car headlights Shaving mirros Dentists mirros Driving mirrors 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. 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. cohesion of water is greater than its adhesion with glass. cohesion of mercury is greater than its adhesion with glass. ANSWER DOWNLOAD EXAMIANS APP