Physics Red light has a wavelength of 70 A°. In "nm" it is 70 nm 7 nm 700 nm 0.07 nm 70 nm 7 nm 700 nm 0.07 nm ANSWER DOWNLOAD EXAMIANS APP
Physics The absorption of ink by blotting paper involves: Siphon action Capillary action phenomenon Viscosity of ink Diffusion of ink through the blotting Siphon action Capillary action phenomenon Viscosity of ink Diffusion of ink through the blotting ANSWER DOWNLOAD EXAMIANS APP
Physics Tungsten is used for the manufacture of the filament of an electric bulb, because 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 It is economical ANSWER DOWNLOAD EXAMIANS APP
Physics The device which transfer the signal from low resistance region to high resistance region is Transistor Inductor Diode Capacitor Transistor Inductor Diode Capacitor ANSWER DOWNLOAD EXAMIANS APP
Physics A barometer is kept inside a bell jar. Air is slowly pumped out of the jar. The mercury level starts falling The bell jar breaks up The mercury level starts rising The mercury level does not change The mercury level starts falling The bell jar breaks up The mercury level starts rising The mercury level does not change ANSWER DOWNLOAD EXAMIANS APP
Physics A copper disc has a hole. If the disc is heated, the size of the hole No change First increases and than decreases Increases Decreases No change First increases and than decreases Increases Decreases ANSWER DOWNLOAD EXAMIANS APP