Physics MCQs

Page No. 5

Metabolism is the name of a process in which energy transformation takes place within______________?


aHeat engine


bHuman body


cAtmosphere


dLaboratory


View Answer Human body

We can produce heat by________________?


aFrictional process


bChemical processes


cElectrical processes


dAll of the above


View Answer All of the above

At constant temperature the graph between V and 1/P is_____________?


a Hyperbola


bParabola


cA curve of any shapeA straight lime


dA straight lime


View Answer A straight lime

The scales of temperature are based on two fixed points which are_________________?


aThe temperatures of water at 0? 100?C


bThe temperature of melting ice and boiling water at atmospheric pressure


cThe temperatures of ice cold and boiling water


dThe temperatures of frozen and boiling mercury



Temperature is a property which determines_________________?


aHow much heat a body contains


b Whether a body will feel hot or cold to touch


cIn which direction heat will flow between two systems


dHow much total absolute energy a body has



Dimension of pressure is__________________?


aMLT


bML-1T-1


cML-1T-2


dML-2T-2


View Answer ML-1T-2

The specially designed semi-conductor diodes used as fast counters in electronic circuits are_______________?


aThe light emitting diodes


bPhoto diodes


cPhoto voltaic cell


dSolar cells.


View Answer Photo diodes

The rectangular voltage is an example of____________________?


aAn analogue waveform


b Continuous wave form


cElectronic waveform


dA digital waveform


View Answer A digital waveform

An OP-AMPs can amplify_______________?


aD.C.


bA.C.


cBoth A.C. & D.C.


dNone of the above


View Answer A.C.

Acceptor and donor impurities donate______________?


an-carriers only


bp-carriers only


cp-carriers and n-carriers respectively


dn-carriers and p-carriers respectively



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