Physics Why does a cannon recoil after firing ? Backward thrust of gases produced Newton's first law of motion Newton's third law of motion Conservation of energy Backward thrust of gases produced Newton's first law of motion Newton's third law of motion Conservation of energy ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this? I.Diffusion II.Refraction III.Internal reflection I and III II and III I and II I, II and III I and III II and III I and II I, II and III ANSWER DOWNLOAD EXAMIANS APP
Physics Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by Ozone Chlorine Ammonia Carbon dioxide Ozone Chlorine Ammonia Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Physics Planck's constant has the dimensions of : Angular momentum Force Energy Linear momentum Angular momentum Force Energy Linear momentum ANSWER DOWNLOAD EXAMIANS APP
Physics Which tube used to produce X-ray? X-ray tube None of these Coolidge tube Roentgen X-ray tube None of these Coolidge tube Roentgen ANSWER DOWNLOAD EXAMIANS APP
Physics What is the process of conversion of solid state directly to gaseous state called? Condensation Sublimation Distillation Evaporation Condensation Sublimation Distillation Evaporation ANSWER DOWNLOAD EXAMIANS APP
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