Physics Find the power of a convex lens if the image formed is at a distance of 25 cm from the lens when the object is placed on the other side of the lens at 12 cm from the optical centre? 4.33 diopters 12.33 diopters -4.33 diopters -12.33 diopters 4.33 diopters 12.33 diopters -4.33 diopters -12.33 diopters ANSWER DOWNLOAD EXAMIANS APP
Physics The bending of light when it passes around a corner or a slit is due to ________ Diffraction Reflection Refraction Total internal reflection Diffraction Reflection Refraction Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Velocity of sound in air does not depend on Density of air Humidity of air Pressure of air Temperature of air Density of air Humidity of air Pressure of air Temperature of air ANSWER DOWNLOAD EXAMIANS APP
Physics Conversion of sound energy into electrical energy is done by Microphone Loudspeaker Solar cell Gramophone Microphone Loudspeaker Solar cell Gramophone ANSWER DOWNLOAD EXAMIANS APP
Physics When an atom loses an electron it becomes Positive ion None of these Negative ion Neutron Positive ion None of these Negative ion Neutron ANSWER DOWNLOAD EXAMIANS APP
Physics Shock-absorbers are usually made of steel as it : Has no ductile property Is not brittle Has lower elasticity Has higher elasticity Has no ductile property Is not brittle Has lower elasticity Has higher elasticity ANSWER DOWNLOAD EXAMIANS APP