0% 0 Physics Quiz 11 1 / 50 In a clinical thermometer the mercury in the capillary tube does not contract once removed from the patient because_______________? Mercury takes a long time to contract The capillary tube has a small constriction near the bulb The capillary tube is very narrow The amount of mercury use is very small 2 / 50 Many of the semi conductors are crystals of the type__________________? All of the above Body centred cubic Simple cubic Face centred cubic 3 / 50 An angle between two vectors A and B can be determined by_____________? Right-hand rule Head to tail rule Their cross product Their dot product 4 / 50 The number of categories in which physical quantities are divided is_____________? 3 1 4 2 5 / 50 Instantaneous and average velocities become equal when body___________________? has zero acceleration moves in a circle has variable acceleration has uniform acceleration 6 / 50 Michelson calculated the speed of light using the instruments______________? spectrometer none of these interferometer galvanometer 7 / 50 A moving coil galvanometer of resistance 100? gives half scale deflection for a current of 20m? A. What will be the potential difference across it ? 5 volt 0.4 volt 4 volt 2 volt 8 / 50 One mega watt hour is equal to_________________? 36 x 1012 J 36 x 109 J 36 x 106 J 36 x 108 J 9 / 50 The work done by friction is__________________? positive none of these negative zero 10 / 50 The charge on alpha particles is________________? Minus one Plus two Plus one Minus two 11 / 50 Silence zone takes place due to____________________? resonance beats constructive interference destructive interference 12 / 50 The working of transistor as amplifier is similar to________________? Step up transformer Triode vacuum tube Three diodes in common Step down transformer 13 / 50 Systolic pressure is called_______________? High blood pressure Abnormal blood pressure Normal blood pressure Low blood pressure 14 / 50 Which one is the correct relation for fundamental frequency of open and closed pipe ? fopen = fclosed fopen = 1 / f closed fclosed = 2fopen fopen = 2 fclosed 15 / 50 An ideal standard of measurement of a base quantity has characteristics_______________? Accessible Transportable Only a and b are correct Invariable 16 / 50 The relativistic energy E is equivalent to relativistic mass given by_______________? Ec2 c2/E E/c E/c2 17 / 50 What is the SI unit of modulus of elasticity of substance ? Nm-1 Being a number it has no unit. Jm-2 Nm-2 18 / 50 Waves transmit ________________ from one place to another? mass none energy both 19 / 50 In open organ pipe___________________? only odd harmonics are present selected harmonics are present only even harmonics are present both even and odd harmonics are present 20 / 50 A body will be in complete equilibrium when it is satisfying______________? 2nd condition of equilibrium 1st condition of equilibrium Both Ist and 2nd condition of equilibrium Impossible 21 / 50 Radiation with wavelength longer than red lights______________? infra red radiation ultraviolet rays X-rays visible radiation 22 / 50 In half-wave rectification the output D.? C. voltages is obtained across the load for_______________? The positive and negative half cycles The negative half cycle of A.C. The positive half cycle of A.C. Either positive or negative half of A.C. 23 / 50 Which of the following is not conservative force_________________? electric gravitational magnetic friction 24 / 50 Minimum number of communication satellites required to cover the whole earth is______________? 2 3 4 5 25 / 50 linear expansion occurs in_________? solid none both liquid 26 / 50 Which of the following is not an example of projectile motion ? bullet fired from gun a base ball shot a football kicked a gas filled ballon 27 / 50 According to which one of following law the density of atom is uniform ? Bohrs model All of the above laws contradict the statement J.J.Thomson model Rutherfords model 28 / 50 Average translational kinetic energy per molecule of an ideal gas is given by_____________? 2NaT/3 3Na/2RT 3NaT/2R 3RT/2Na 29 / 50 When an electron moving with a uniform speed in a vacuum enters a magnetic field in a direction perpendicular to the field the subsequent path of the electron is ___________________? a straight line along its initial direction a straight line parallel to the field a circle in a plane perpendicular to the field a parabola in a plane perpendicular to the field 30 / 50 In a multi range ammeter as the range increases _____________________? none of the above shunt value increases shunt value decreases shunt value remains the same 31 / 50 The average power and instantaneous power become equal if work is done at __________________? at variable rate any rate at uniform rate at high rate 32 / 50 A convex lens gives a virtual image only when the objects lies_________________? at the principal focus between principal focus and optical center between principal focus and center of curvature beyond 2 f 33 / 50 Zero error of the instrument is a type of_________________? Personal error Systematic error Random error Classified error 34 / 50 A force applied on a body through the string is called_________? Torque Weight Tension Momentum 35 / 50 Average energy required to remove one nucleon from the nucleus is called__________________? Destruction energy Binding energy per nucleon All of above Energy of decay 36 / 50 Gravitation force of sun is__________? 274 m/s? None of these 300 m/s? 362 m/s? 37 / 50 The speed of stationary waves in a stretched string are independent of___________________? both A and C Point where string is plucked Tension in the string Number of loops 38 / 50 The unit of radioactivity curie is equal to_________________? 3.55 x 1010 disintegration per sec 3.60 x 1010 disintegration per sec 3.70 x 1010 disintegration per sec 3.74 x 109 disintegration per sec 39 / 50 Which law of motion is also called law of inertia ? 1st law all 1st, 2nd and 3rd laws 2nd law 3rd law 40 / 50 The name of the photon for quantum of light was proposed by________________? Einstein Ampere Plank Thomson 41 / 50 During the fission process a large amount of______________? Heat energy is released Chemical energy is released Light energy is released Nuclear energy is released 42 / 50 Internal resistance is the resistance offered by________________? capacitor conductor resistor source of EMF 43 / 50 Resistance of a super conductor is ______________________? infinite finite zero changes with every conductor 44 / 50 Materials that undergo plastic deformation before breaking are called __________________? Amorphous Ductile Polymers Brittle 45 / 50 appearance of colour in thin films is due to ____________________? diffraction polarization dispersion interference 46 / 50 A device for producing high-velocity nuclei is ________________? Cloud chamber Wilson cloud chamber Linear accelerator A mass spectrograph 47 / 50 Biomass can be converted into fuels by____________________? both A and B direct combustion none of these fermentation 48 / 50 A wire of resistance R is coiled inductively so that its inductance is L. The impedance of the coil at a frequency of f is_______________? R+1/2?fL (R2+f2L2) (R2+4?2f2L2) (R+2?fL) 49 / 50 What is the shape of velocity, time graph for constant acceleration ? straight inclined line. parabola declined curve inclined curve 50 / 50 1024 can be written in scientific notation as______________? 0.000976 1/0.00097 2 Raised to power 10 1.024?103 Provide Your Information Your score is The average score is 0% LinkedIn Facebook Twitter 0% Restart quiz Send feedback Share on facebook Facebook Share on twitter Twitter Share on whatsapp WhatsApp PrevPhysics Quiz 10 Physics Quiz 12Next
