701 If the volume of a gas is held constant and we increase its temperature then_______________? Physics Medium Full question → A its pressure is constant B its pressure rises C its pressure falls D any of above
702 Boyles law helds for ideal gases in________________? Physics Medium Full question → A isochoric processes B isobaric processes C isothermal processes D adiabatic processes
703 Gas molecules of different masses in the same container have the same average transnational kinetic energy which is directly proportional to their_____________? Physics Medium Full question → A volume B pressure C absolute temperature D time
704 If the pressure of a given gas is held constant its density is inversely proportional to its absolute temperature. We can refer it as another statement of______________? Physics Medium Full question → A Boyles law B Charles law C Ideal gas law D Avagadros law
705 The pressure exerted by a column of mercury 76cm high and at 0°C is called_______________? Physics Medium Full question → A 1 atmosphere B 1 Newton per square meter C 1 Pascal D data is insufficient
706 Metabolism is the name of a process in which energy transformation takes place within______________? Physics Medium Full question → A Heat engine B Human body C Atmosphere D Laboratory
707 We can produce heat by________________? Physics Medium Full question → A Frictional process B Chemical processes C Electrical processes D All of the above
708 At constant temperature the graph between V and 1/P is_____________? Physics Medium Full question → A Hyperbola B Parabola C A curve of any shape D A straight lime
709 The scales of temperature are based on two fixed points which are_________________? Physics Medium Full question → A The temperatures of water at 0? 100?C B The temperature of melting ice and boiling water at atmospheric pressure C The temperatures of ice cold and boiling water D The temperatures of frozen and boiling mercury
710 Temperature is a property which determines_________________? Physics Medium Full question → A How much heat a body contains B Whether a body will feel hot or cold to touch C In which direction heat will flow between two systems D How much total absolute energy a body has
711 Dimension of pressure is__________________? Physics Medium Full question → A MLT B ML-1T-1 C ML-1T-2 D ML-2T-2
712 The specially designed semi-conductor diodes used as fast counters in electronic circuits are_______________? Physics Medium Full question → A The light emitting diodes B Photo diodes C Photo voltaic cell D Solar cells.
713 The rectangular voltage is an example of____________________? Physics Medium Full question → A An analogue waveform B Continuous wave form C Electronic waveform D A digital waveform
714 An OP-AMPs can amplify_______________? Physics Medium Full question → A D.C. B A.C. C Both A.C. & D.C. D None of the above
715 Acceptor and donor impurities donate______________? Physics Medium Full question → A n-carriers only B p-carriers only C p-carriers and n-carriers respectively D n-carriers and p-carriers respectively
716 The electronic circuits which implement the various logic operations are called_____________? Physics Medium Full question → A Logic gates B Boolean algebra C Amplifier gain D Logic functions
717 In forward bias the width of potential barrier_____________? Physics Medium Full question → A Increases B Decreases C Remains same D No effect
718 In a half-wave rectifier the r.m.s. value of the A.C. component of the wave is________________? Physics Medium Full question → A Equal to D.C. value B More than D.C. value C Less than D.C. value D Zero
719 To obtain a p-type semi-conductor Si Crystal must be doped with foreign atoms whose valency is_____________? Physics Medium Full question → A 2 B 3 C 4 D 5
720 The working of transistor as amplifier is similar to________________? Physics Medium Full question → A Step up transformer B Step down transformer C Three diodes in common D Triode vacuum tube