Physics Positive feedback is used in Oscillators None of these Rectifiers Amplifiers Oscillators None of these Rectifiers Amplifiers ANSWER DOWNLOAD EXAMIANS APP
Physics The Solar energy produced by None Fusion reaction Combustion reaction Fission reaction None Fusion reaction Combustion reaction Fission reaction ANSWER DOWNLOAD EXAMIANS APP
Physics Hydraulic machines work under the Principle of : Pascal's Law Joules Law Newton's Law Floatation Law Pascal's Law Joules Law Newton's Law Floatation Law ANSWER DOWNLOAD EXAMIANS APP
Physics A vacuum cleaner works on the principle of pressure difference. On the moon it will Work with increased efficiency Work with reduced efficiency Not work at all Work as efficiently as on the earth Work with increased efficiency Work with reduced efficiency Not work at all Work as efficiently as on the earth ANSWER DOWNLOAD EXAMIANS APP
Physics Light travels in a straight line (rectilinear propagation of light). This statement does hold if the medium of travel for light is Made up of slabs of different refractive indices Homogeneous and transparent Of variable refractive index Inhomogeneous and transparent Made up of slabs of different refractive indices Homogeneous and transparent Of variable refractive index Inhomogeneous and transparent ANSWER DOWNLOAD EXAMIANS APP
Physics Why does the sea appear blue in colour? Refraction of the sun light Reflection of the sun light from water surface Scattering of the sunlight by water molecules Interference of the sun light from water surface Refraction of the sun light Reflection of the sun light from water surface Scattering of the sunlight by water molecules Interference of the sun light from water surface ANSWER DOWNLOAD EXAMIANS APP