Physics Why is it difficult to breathe at higher altitudes? Due to high humidity Due to low air pressure Due to low temperature Due to ozone Due to high humidity Due to low air pressure Due to low temperature Due to ozone ANSWER DOWNLOAD EXAMIANS APP
Physics A person standing on a railway platform listens to the whistles of arriving and departing trains. The whistle heard is Of higher pitch when train departs The same in both cases in all respects Of higher intensity when train arrives Of higher pitch when train arrives Of higher pitch when train departs The same in both cases in all respects Of higher intensity when train arrives Of higher pitch when train arrives ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following circuit elements is used to ''block" DC in an electronic circuit ? Inductance Resistances Capacitance Diode Inductance Resistances Capacitance Diode ANSWER DOWNLOAD EXAMIANS APP
Physics The weight of a body acts through the centre of Gravity Buoyancy Both (A) and (B) Mass Gravity Buoyancy Both (A) and (B) Mass ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following principle is used to produce ''low-temperatures' ? Joule-Kelvin effect Thermo-electric effect Adiabatic demagnetisation Super conductivity Joule-Kelvin effect Thermo-electric effect Adiabatic demagnetisation Super conductivity ANSWER DOWNLOAD EXAMIANS APP
Physics Flywheel is an important part of a steam engine because it : Accelerates the speed of the engine Gives strength to the engine Helps the engine in keeping the speed uniform Decreases the moment of inertia Accelerates the speed of the engine Gives strength to the engine Helps the engine in keeping the speed uniform Decreases the moment of inertia ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS