Physics Mach number is used in connection with the speed of spacecraft sound ships aircraft spacecraft sound ships aircraft ANSWER DOWNLOAD EXAMIANS APP
Physics Nuclear reactors used to produce electricity are based on Nuclear fusion Nuclear fission Superconductivity Cold fusion Nuclear fusion Nuclear fission Superconductivity Cold fusion ANSWER DOWNLOAD EXAMIANS APP
Physics A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ? Dacrease Remain constant Will increase first and then dcrease Increase Dacrease Remain constant Will increase first and then dcrease Increase ANSWER DOWNLOAD EXAMIANS APP
Physics If lift is going up with acceleration, the apparent weight of a body is More than the true weight May be more or less than true weight Less than the true weight Equal to the true weight More than the true weight May be more or less than true weight Less than the true weight Equal to the true weight ANSWER DOWNLOAD EXAMIANS APP
Physics Rear view mirror of car is convex or concave? Both A & B Concave Convex Can't be determined Both A & B Concave Convex Can't be determined ANSWER DOWNLOAD EXAMIANS APP
Physics An electron and a proton starting from rest get accelerated through potential difference of 100 kV. The final speed of the electron and the proton are Ve and Vp respectively. Which of the following relations is correct? Ve < Vp Cannot be determined Ve > Vp Ve = Vp Ve < Vp Cannot be determined Ve > Vp Ve = Vp ANSWER DOWNLOAD EXAMIANS APP
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