Physics Which type of mirror is used in the head lights of vehicles ? Convex mirror Plane mirror Parabolic mirror Concave mirror Convex mirror Plane mirror Parabolic mirror Concave mirror ANSWER DOWNLOAD EXAMIANS APP
Physics The width of depletion layer of a P-N junction Decreases with light doping Is increased under reverse bias Increases with heavy doping Is independent of applied voltage Decreases with light doping Is increased under reverse bias Increases with heavy doping Is independent of applied voltage ANSWER DOWNLOAD EXAMIANS APP
Physics Choose the most appropriate answer: Natural radioactivity was discovered by Enrico Fermi Marie Curie Henry Bacquerel Earnest Rutherford Enrico Fermi Marie Curie Henry Bacquerel Earnest Rutherford ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier to roll a stone up a sloping road than to lift it vertical upwards because Work done in lifting the stone is equal to rolling it. Work done in rolling is more than in lifting. Work done in rolling a stone is less than in lifting it. Work done in both is same but the rate of doing work is less in rolling. Work done in lifting the stone is equal to rolling it. Work done in rolling is more than in lifting. Work done in rolling a stone is less than in lifting it. Work done in both is same but the rate of doing work is less in rolling. ANSWER DOWNLOAD EXAMIANS APP
Physics The increasing order of the refractive index of certain materials is (left to right) ________ Rocksalt, Benzene, Kerosene, Ice Rock Salt, Ice, Benzene, Kerosene Ice, Kerosene, Benzene, Rock Salt Kerosene, Ice, Benzene, Rock Salt Rocksalt, Benzene, Kerosene, Ice Rock Salt, Ice, Benzene, Kerosene Ice, Kerosene, Benzene, Rock Salt Kerosene, Ice, Benzene, Rock Salt ANSWER DOWNLOAD EXAMIANS APP
Physics The reverse effect of X–ray emission is Photoelectric Compton effect Raman effect Zeeman effect Photoelectric Compton effect Raman effect Zeeman effect ANSWER DOWNLOAD EXAMIANS APP
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