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 -3.75 diopters -11.25 diopters 3.75 diopters 11.25 diopters -3.75 diopters -11.25 diopters 3.75 diopters ANSWER DOWNLOAD EXAMIANS APP
Physics A boat loaded with rocks floats in the middle of a swimming pool. A man in the boat throws the rocks overboard. The level of water in the pool will Decrease First decrease and then increase Increase Remains the same Decrease First decrease and then increase Increase Remains the same ANSWER DOWNLOAD EXAMIANS APP
Physics A single fixed pulley is used to draw water from a well because Velocity ratio is low Mechanical advantage is high Force is applied in a convenient direction Efficiency is 100% Velocity ratio is low Mechanical advantage is high Force is applied in a convenient direction Efficiency is 100% ANSWER DOWNLOAD EXAMIANS APP
Physics If the velocity of a body is halved its kinetic energy ________ Is also doubled Becomes half Becomes 1/4 th Become 4 times Is also doubled Becomes half Becomes 1/4 th Become 4 times ANSWER DOWNLOAD EXAMIANS APP
Physics The dimensional formula ML–1T–2 corresponds to Viscosity Modulus of elasticity Thrust Moment of a force Viscosity Modulus of elasticity Thrust Moment of a force ANSWER DOWNLOAD EXAMIANS APP
Physics Transformer is a device to convert C. to A.C. Mechanical energy into Electrical energy Low voltage D.C. into high voltage D.C. Low voltage A.C. into high voltage A.C. C. to A.C. Mechanical energy into Electrical energy Low voltage D.C. into high voltage D.C. Low voltage A.C. into high voltage A.C. ANSWER DOWNLOAD EXAMIANS APP