Physics The base of an electric iron is brightly polished mainly To make it smooth and frictionless To make it rust-proof To reduce heat loss by radiation To make it more durable To make it smooth and frictionless To make it rust-proof To reduce heat loss by radiation To make it more durable ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a non renewable source of energy ? Coal Biogas Solar Wind Coal Biogas Solar Wind ANSWER DOWNLOAD EXAMIANS APP
Physics The height of a geo-stationary satellite from the Earth's surface is approximately : 30,000 km 36,000 km 42,000 km None of these 30,000 km 36,000 km 42,000 km None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Rotameter is used to measure Density of fluids Velocity of fluid in pipes Flow of fluids Vortex flow Density of fluids Velocity of fluid in pipes Flow of fluids Vortex flow ANSWER DOWNLOAD EXAMIANS APP
Physics Superconductors are substances which conduct electricity at high temperatures offer no resistance to the flow of electricity offer high resistance to the flow of current conduct electricity at low temperature conduct electricity at high temperatures offer no resistance to the flow of electricity offer high resistance to the flow of current conduct electricity at low temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Bolometer is used to measure Velocity Wavelength Temperature Frequency Velocity Wavelength Temperature Frequency ANSWER DOWNLOAD EXAMIANS APP