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? -12.33 diopters 12.33 diopters 4.33 diopters -4.33 diopters -12.33 diopters 12.33 diopters 4.33 diopters -4.33 diopters ANSWER DOWNLOAD EXAMIANS APP
Physics In the process of magnetisation of a bar Only the ends of the bar get magnetised The entire bulk of the bar gets magnetised Only some parts of the outer layers of the bar get magnetised Only the surface of the bar gets magnetised Only the ends of the bar get magnetised The entire bulk of the bar gets magnetised Only some parts of the outer layers of the bar get magnetised Only the surface of the bar gets magnetised ANSWER DOWNLOAD EXAMIANS APP
Physics The spokes used in the wheel of a bicycle increase its Acceleration Momentum Moment of inertia Velocity Acceleration Momentum Moment of inertia Velocity ANSWER DOWNLOAD EXAMIANS APP
Physics Mach number is used in connection with the speed of sound aircraft ships spacecraft sound aircraft ships spacecraft ANSWER DOWNLOAD EXAMIANS APP
Physics Electromagnet is constructed with which of the following ? Nickel Soft Iron Steel Aluminium Nickel Soft Iron Steel Aluminium ANSWER DOWNLOAD EXAMIANS APP
Physics Lens is made up of Cobalt glass Flint glass Ordinary glass Pyrex glass Cobalt glass Flint glass Ordinary glass Pyrex glass ANSWER DOWNLOAD EXAMIANS APP