Physics On a rainy day, small oil films on water show brilliant colours. This is due to diffraction dispersion polarization interference diffraction dispersion polarization interference ANSWER DOWNLOAD EXAMIANS APP
Physics Ball bearings are used in cycles, scooters etc to Reduce the friction between the wheel and the axle Reduce the friction between ground and the whee Increase the friction between the wheel and the axle None of these Reduce the friction between the wheel and the axle Reduce the friction between ground and the whee Increase the friction between the wheel and the axle None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Solids which conduct electricity at higher temperature but not at lower temperature are called Semi-conductor Metallic-conductor Super-conductor Insulator Semi-conductor Metallic-conductor Super-conductor Insulator ANSWER DOWNLOAD EXAMIANS APP
Physics An egg sinks in soft water but floats in a concentrated solution of salt because Egg absorbs salt from the solution and expands Albumin dissolves in salt solution and egg becomes lighter Water has high surface tension The density of salt solution exceeds the density of eggs Egg absorbs salt from the solution and expands Albumin dissolves in salt solution and egg becomes lighter Water has high surface tension The density of salt solution exceeds the density of eggs ANSWER DOWNLOAD EXAMIANS APP
Physics The hydraulic brakes used in automobiles is a direct application of : Bernoulli's theorem Toricellian law Pascal's law Archimedes' principle Bernoulli's theorem Toricellian law Pascal's law Archimedes' principle ANSWER DOWNLOAD EXAMIANS APP
Physics Golden view of sea shell is due to Reflection Polarization Dispersion Diffraction Reflection Polarization Dispersion Diffraction ANSWER DOWNLOAD EXAMIANS APP
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