Physics Ball bearings are used in cycles, scooters etc to Reduce the friction between the wheel and the axle None of these Increase the friction between the wheel and the axle Reduce the friction between ground and the whee Reduce the friction between the wheel and the axle None of these Increase the friction between the wheel and the axle Reduce the friction between ground and the whee ANSWER DOWNLOAD EXAMIANS APP
Physics The three famous law of Kepler is related to Planetary Motion Oscillations Speed Optics Planetary Motion Oscillations Speed Optics ANSWER DOWNLOAD EXAMIANS APP
Physics Water from soil enters into the root hairs owing to : Capillary pressure Root pressure Osmotic pressure Atmospheric pressure Capillary pressure Root pressure Osmotic pressure Atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Physics The flux commonly used in brazing is Zinc chloride Ammonium chloride Resin plus alcohol Borax Zinc chloride Ammonium chloride Resin plus alcohol Borax ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibre works on which of the following principle of light? Diffraction Total internal reflection Reflection Refraction Diffraction Total internal reflection Reflection Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics For photoelectric effect to take place, the metal used as the cathode should have ________ High melting point Low resistance Low work function Low melting point High melting point Low resistance Low work function Low melting point ANSWER DOWNLOAD EXAMIANS APP
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