Physics Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit radio waves X-rays ultraviolet light visible light radio waves X-rays ultraviolet light visible light ANSWER DOWNLOAD EXAMIANS APP
Physics The type of mirrors used in the headlamp of cars is Parabolic concave Spherical convex Cylindrical concave Plane Parabolic concave Spherical convex Cylindrical concave Plane ANSWER DOWNLOAD EXAMIANS APP
Physics Tungsten is used for the manufacture of the filament of an electric bulb, because It is economical It is a good conductor It is malleable It has a very high melting point It is economical It is a good conductor It is malleable It has a very high melting point ANSWER DOWNLOAD EXAMIANS APP
Physics The ''four stroke petrol engine' is based on Boyle's-cycle Carnot-cycle Otto-cycle Diesel-cycle Boyle's-cycle Carnot-cycle Otto-cycle Diesel-cycle ANSWER DOWNLOAD EXAMIANS APP
Physics Minimum number of unequal vectors which can give zero resultant are three two more than four four three two more than four four ANSWER DOWNLOAD EXAMIANS APP
Physics The increasing order of the refractive index of certain materials is (left to right) ________ Ice, Kerosene, Benzene, Rock Salt Rocksalt, Benzene, Kerosene, Ice Kerosene, Ice, Benzene, Rock Salt Rock Salt, Ice, Benzene, Kerosene Ice, Kerosene, Benzene, Rock Salt Rocksalt, Benzene, Kerosene, Ice Kerosene, Ice, Benzene, Rock Salt Rock Salt, Ice, Benzene, Kerosene ANSWER DOWNLOAD EXAMIANS APP
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