Physics Dynamo is a device for converting Chemical energy into electrical energy Heat energy into electrical energy Magnetic energy into electrical energy Mechanical energy into electrical energy Chemical energy into electrical energy Heat energy into electrical energy Magnetic energy into electrical energy Mechanical energy into electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics Lakes freeze in cold countries in winter, leaving the water underneath at 4°C 4°F 0°F 0°C 4°C 4°F 0°F 0°C ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetism in materials is due to All neutrons at rest Circular motion of electrons Protons at rest Electrons at rest All neutrons at rest Circular motion of electrons Protons at rest Electrons at rest ANSWER DOWNLOAD EXAMIANS APP
Physics Compressions and Rarefactions are characteristic of Neither of A & B Longitudinal waves Both A & B Transverse waves Neither of A & B Longitudinal waves Both A & B Transverse waves ANSWER DOWNLOAD EXAMIANS APP
Physics Fiber optics cable used in communication, works on the principle of Regular reflection of light Refraction of light Diffuse reflection of light Total internal reflection of light Regular reflection of light Refraction of light Diffuse reflection of light Total internal reflection of light ANSWER DOWNLOAD EXAMIANS APP
Physics Wind and solar energy are examples of Renewable Unsustainable Limited Non renewable Renewable Unsustainable Limited Non renewable ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS