Physics The method of magnetisation is: Passing direct current through it Passing alternating current through it Heating a magnet Hammering a magnet Passing direct current through it Passing alternating current through it Heating a magnet Hammering a magnet ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of light in air is 8 × 103 m/s Infinity 3 × 108 m/s 3 × 10–8 m/s 8 × 103 m/s Infinity 3 × 108 m/s 3 × 10–8 m/s ANSWER DOWNLOAD EXAMIANS APP
Physics Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by Chlorine Ammonia Carbon dioxide Ozone Chlorine Ammonia Carbon dioxide Ozone ANSWER DOWNLOAD EXAMIANS APP
Physics A periscope works on the principle of Reflection Total internal reflection Diffraction Refraction Reflection Total internal reflection Diffraction Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics In a photocell light energy is converted into Potential energy Heat energy Electrical energy Chemical energy Potential energy Heat energy Electrical energy Chemical energy ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following phenomenon helps to conclude that light is a transverse wave? Diffraction Refraction Polarisation Interference Diffraction Refraction Polarisation Interference ANSWER DOWNLOAD EXAMIANS APP
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