Physics Heavy water is used in nuclear reactor to Absorb neutron Slow down neutron Increase temperature Increase speed of neutron Absorb neutron Slow down neutron Increase temperature Increase speed of neutron ANSWER DOWNLOAD EXAMIANS APP
Physics A bird sitting on a high tension electric wire does not get electrocuted because The body is earthed It has high resistance Its feet are good insulators It does not form a closed path for the flow of current The body is earthed It has high resistance Its feet are good insulators It does not form a closed path for the flow of current ANSWER DOWNLOAD EXAMIANS APP
Physics What is the change in the angular momentum of a system as per the Law of Conservation of Angular momentum, if the total external torque acting is zero? Increases exponentially None of these Remains constant Becomes zero Increases exponentially None of these Remains constant Becomes zero ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of light will be minimum while passing through Glass Water Air Vaccum Glass Water Air Vaccum ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following properties is found only in ferromagnetic materials ? Attracting a magnetic substance Hysteresis Susceptibility independent of temperature Point in a particular direction Attracting a magnetic substance Hysteresis Susceptibility independent of temperature Point in a particular direction ANSWER DOWNLOAD EXAMIANS APP
Physics The ''Greenhouse effect' is mainly due to increase in atmospheric Nitrogen Ozone Carbon dioxide Sulphur dioxide Nitrogen Ozone Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
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