Physics Heavy water is used in nuclear reactor to Absorb neutron Increase speed of neutron Slow down neutron Increase temperature Absorb neutron Increase speed of neutron Slow down neutron Increase temperature ANSWER DOWNLOAD EXAMIANS APP
Physics If electric resistance is to be decreased, then the number of resistances should be connected in ________ Parallel Mixed arrangement None of these Series Parallel Mixed arrangement None of these Series ANSWER DOWNLOAD EXAMIANS APP
Physics The electric current in a metal wire is due to the flow of - Holes Electrons Ions Protons Holes Electrons Ions Protons ANSWER DOWNLOAD EXAMIANS APP
Physics The ''four stroke petrol engine' is based on Boyle's-cycle Diesel-cycle Carnot-cycle Otto-cycle Boyle's-cycle Diesel-cycle Carnot-cycle Otto-cycle ANSWER DOWNLOAD EXAMIANS APP
Physics Why is it difficult to breathe at higher altitudes? Due to ozone Due to high humidity Due to low temperature Due to low air pressure Due to ozone Due to high humidity Due to low temperature Due to low air pressure ANSWER DOWNLOAD EXAMIANS APP
Physics Velocity of sound in air does not depend on Density of air Humidity of air Pressure of air Temperature of air Density of air Humidity of air Pressure of air Temperature of air ANSWER DOWNLOAD EXAMIANS APP
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