Physics The plastic material commonly used for making gear wheels is Bakelit Nylons Polyesters Polystyrene Bakelit Nylons Polyesters Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Physics The phenomenon which causes mirage is Polarisation Interference Total internal reflection Diffraction Polarisation Interference Total internal reflection Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics When a ring of metal is heated what happens to its hole ? It expands or contracts according to its coefficient of expansion It expands or contracts according to its diameter Expands Contracts It expands or contracts according to its coefficient of expansion It expands or contracts according to its diameter Expands Contracts ANSWER DOWNLOAD EXAMIANS APP
Physics At the center of the sun, fusion converts hydrogen into Carbon Plutonium Water Helium Carbon Plutonium Water Helium ANSWER DOWNLOAD EXAMIANS APP
Physics The ''Greenhouse effect' is mainly due to increase in atmospheric Nitrogen Sulphur dioxide Carbon dioxide Ozone Nitrogen Sulphur dioxide Carbon dioxide Ozone ANSWER DOWNLOAD EXAMIANS APP
Physics Super conductors are substances that Offer high resistance to the flow of electric current Conduct electricity at high temperature Offer minimum resistance to flow of electric current Conduct electricity at low temperature Offer high resistance to the flow of electric current Conduct electricity at high temperature Offer minimum resistance to flow of electric current Conduct electricity at low temperature ANSWER DOWNLOAD EXAMIANS APP
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