Physics The sensation of weightlessness in a spacecraft in an orbit is due to the Acceleration in the orbit which is equal to the acceleration due to gravity outside Presence of gravity outside but not inside the spacecraft Absence of gravity outside Fact that spacecraft in the orbit has no energy Acceleration in the orbit which is equal to the acceleration due to gravity outside Presence of gravity outside but not inside the spacecraft Absence of gravity outside Fact that spacecraft in the orbit has no energy ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is preferred for accelerating electrons? Betatron Van de Graft Generator Cyclotron Synchrotron Betatron Van de Graft Generator Cyclotron Synchrotron ANSWER DOWNLOAD EXAMIANS APP
Physics What type of lens is used in a magnifying glass Convex Plano-concave None of these Concave Convex Plano-concave None of these Concave ANSWER DOWNLOAD EXAMIANS APP
Physics When a vibrating tuning fork is placed on a table, a loud sound is heard. This is due to : Damped vibrations Forced vibrations Refraction Reflection Damped vibrations Forced vibrations Refraction Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics A body of mass 5 kg accelerates from 12 m/s to 20 m/s in 4 seconds due to the application of a force on it. Calculate the magnitude of this force (in N). 40 10 20 80 40 10 20 80 ANSWER DOWNLOAD EXAMIANS APP
Physics Stress can be defined as ________ quantity. Tensor Scalar Vector Phasor Tensor Scalar Vector Phasor ANSWER DOWNLOAD EXAMIANS APP
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