Physics If a body moves with a constant speed in a circle No work is done on it No force acts on it Its velocity remains constant No acceleration is produced in it No work is done on it No force acts on it Its velocity remains constant No acceleration is produced in it ANSWER DOWNLOAD EXAMIANS APP
Physics Which microscope is often used to view metal surfaces? Scanning tunneling microscopes Electron microscopes None of these Optical microscopes Scanning tunneling microscopes Electron microscopes None of these Optical microscopes ANSWER DOWNLOAD EXAMIANS APP
Physics Railway tracks are banked on curves so that The train may not fall down inwards Necessary centripetal force may be obtained from the horizontal component of the weight of the train Necessary centrifugal force may be obtained from the horizontal component of the weight of the train No frictional force may be produced between the tracks and the wheels of the train The train may not fall down inwards Necessary centripetal force may be obtained from the horizontal component of the weight of the train Necessary centrifugal force may be obtained from the horizontal component of the weight of the train No frictional force may be produced between the tracks and the wheels of the train 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 Increase Remain constant Will increase first and then dcrease Dacrease Increase Remain constant Will increase first and then dcrease ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier to carry two buckets of water in one hand each, than to carry only one in one hand because Centre of gravity and centre of equilibrium fall within the feet Resultant weight of buckets is zero Weights of buckets are balanced Centre of gravity falls within the body Centre of gravity and centre of equilibrium fall within the feet Resultant weight of buckets is zero Weights of buckets are balanced Centre of gravity falls within the body ANSWER DOWNLOAD EXAMIANS APP
Physics Intensity of sound has a subject existence an object existence no existence both subjective and objective existence a subject existence an object existence no existence both subjective and objective existence ANSWER DOWNLOAD EXAMIANS APP
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