Online NAT IM Pre Medical Physics Test Preparation for Pakistani Students

NAT I Medical Physics

Sr. #	Questions	Answers Choice
1	In which case application of angular velocity is useful?	When a body is rotating When velocity of body is in a straight line When velocity is in a straight line None of these
2	A couple produces	Purely linear motion Purely rotational motion Linear and rotational motion No motion
3	Center of mass is a point	Which is geometric center of a body From which distance of particles are same Where the whole mass of the body is supposed to be centered Which is the origin of reference frame
4	If the earth were to rotate faster than its present speed the weight of an object will	Increase at the equator but remain unchanged at the poles Decrease at the equator but remain unchanged at the poles Remain unchanged at the decrease but decrease at the poles Remain unchanged at the equator but increase at the poles
5	What remains constant when the earth revolves around the sun?	Angular momentum Linear momentum Angular kinetic energy Linear kinetic energy
6	What remains constant in the field of central force?	Potential energy Kinetic energy Angular momentum Linear momentum
7	Angular momentum is	Vector (axial) Vector (polar) Scalar None of these
8	A body moving in circular motion with constant speed has	Constant velocity Constant acceleration Constant kinetic energy Constant displacement