Physics Which of the following metals is used for the manufacture of heating elements provided in electric iron ? Nichrome Tungsten Nickel Chromium Nichrome Tungsten Nickel Chromium ANSWER DOWNLOAD EXAMIANS APP
Physics A needle or a pin floats on the surface of water because of Surface tension Viscosity Adhesive force Surface energy Surface tension Viscosity Adhesive force Surface energy ANSWER DOWNLOAD EXAMIANS APP
Physics The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as Megasonics Ultrasonics Infrasonics Audible sounds Megasonics Ultrasonics Infrasonics Audible sounds ANSWER DOWNLOAD EXAMIANS APP
Physics In a photocell light energy is converted into Chemical energy Potential energy Heat energy Electrical energy Chemical energy Potential energy Heat energy Electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the shortest wavelength? Infrared rays Microwaves Gamma rays Radio waves Infrared rays Microwaves Gamma rays Radio waves ANSWER DOWNLOAD EXAMIANS APP
Physics The ''Greenhouse effect' is mainly due to increase in atmospheric Ozone Sulphur dioxide Carbon dioxide Nitrogen Ozone Sulphur dioxide Carbon dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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