Physics Superconductors are those elements Whose conductivity is intermediate between metals and insulators Whose resistance falls almost to zero at very low temperatures Which conduct electricity only at super-high temperatures Which turn into insulators at very low temperatures Whose conductivity is intermediate between metals and insulators Whose resistance falls almost to zero at very low temperatures Which conduct electricity only at super-high temperatures Which turn into insulators at very low temperatures ANSWER DOWNLOAD EXAMIANS APP
Physics Who enunciated the laws of planetary motion? Nicolaus Copernicus Isaac Newton Galileo Johannes Kepler Nicolaus Copernicus Isaac Newton Galileo Johannes Kepler ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following liquids is most viscous? Petrol Water Oil Milk Petrol Water Oil Milk ANSWER DOWNLOAD EXAMIANS APP
Physics The washing machine works on the principle of Centrifugation Diffusion Reverse osmosis Dialysis Centrifugation Diffusion Reverse osmosis Dialysis ANSWER DOWNLOAD EXAMIANS APP
Physics When the Sun is near the horizon during the morning or evening, it appears reddish. The phenomenon that is responsible for this observation is Reflection of light Refraction of light Dispersion of light Scattering of light Reflection of light Refraction of light Dispersion of light Scattering of light ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K? 2k1k2/k1+k2 None K1k2/k1+k2 K1+k2/k1k2 2k1k2/k1+k2 None K1k2/k1+k2 K1+k2/k1k2 ANSWER DOWNLOAD EXAMIANS APP
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