Physics What principle/law explains the working of the hydraulic brakes in automobiles ? Archimedes' principle Pascal's law Posieulle's principle Bernoulli's law Archimedes' principle Pascal's law Posieulle's principle Bernoulli's law ANSWER DOWNLOAD EXAMIANS APP
Physics Optical Fibre technology works on which of these principles of Physics? Photoelectric effect Total internal reflection of Light Bernoulli's Principle Newton's law of Motion Photoelectric effect Total internal reflection of Light Bernoulli's Principle Newton's law of Motion ANSWER DOWNLOAD EXAMIANS APP
Physics Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in 4.2 seconds 42 seconds 4.2 years 42 years 4.2 seconds 42 seconds 4.2 years 42 years ANSWER DOWNLOAD EXAMIANS APP
Physics Two waves, each of amplitude 1.5 mm and frequency 10 Hz, are travelling in opposite direction with a speed of 20 mm/s. The distance in mm between adjacent nodes is : 1.2 2 1.5 1 1.2 2 1.5 1 ANSWER DOWNLOAD EXAMIANS APP
Physics Which one is the unit of surface tension of a liquid Newton /m2 None of these Joule/ mm Electron volt /cm2 Newton /m2 None of these Joule/ mm Electron volt /cm2 ANSWER DOWNLOAD EXAMIANS APP
Physics Surface tension in a liquid is due to : Adhesive force betweenmolecules Cohesive force between molecules Gravitational force between molecules Electrical force between molecules. Adhesive force betweenmolecules Cohesive force between molecules Gravitational force between molecules Electrical force between molecules. ANSWER DOWNLOAD EXAMIANS APP
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