physics mcqs

MCQS	Submitted By
Q: Work done on the system is ? A: Negative B: Positive C: Both D: All of them Test Selected: nts	Zaheer
Q: current is ________quantity ? A: scalar B: vector C: no direction D: non or above Test Selected: nts	khadija
Q: Current is ....... Quantity ? A: Scalar B: Vector C: Both D: None Test Selected: nts	physicist Salah
Q: According to Einstein light travels form one place to another in the form of ? A: Waves B: Particles C: Photons D: None of these Test Selected: pts	Zohaib Ahmed
Q: When a force is parallel to the direction of the motion , then the work done on the body will ? A: zero B: maximum C: minimum D: infinity Test Selected: pts	Zohaib Ahmed
Q: the first overtone of a stretched string of given length is 320 Hz . The first harmonic is___________ ? A: 320Hz B: 640Hz C: 160Hz D: 480Hz Test Selected: general	rashid
Q: ohm is the unit of ? A: voltage B: current C: resistance D: none of these Test Selected: general	rashid
Q: if an artificial satellite revolves around the earth in circular orbit, which quantity remains constant ? A: angular momentum B: angular displacement C: linear velocity D: none Test Selected: general	rashid
Q: with the increase of pressure the boiling point of any substance ? A: decreases B: increases C: remain same D: become zero Test Selected: general	rashid
Q: which of the following has the highest value of specific heat ? A: water B: alcohol C: methane D: kerosene Test Selected: general	rashid
Q: Young's modulus is the property of_______ ? A: gas B: liquid C: solid D: all of the above Test Selected: general	rashid
Q: the S.I unit of heat is ? A: watt B: volt C: joule D: newton Test Selected: general	rashid
Q: the shortest distance between crest to crest is called ? A: phase B: wavelength C: amplitude D: none Test Selected: general	rashid
Q: waves transmit ___________ from one place to another ? A: mass B: energy C: force D: none Test Selected: general	rashid
Q: momentum depends upon ________ ? A: force B: velocity of the body C: mass of the body D: both velocity and mass of the body Test Selected: general	rashid
Q: __________ law of motion is also called law of inertia ? A: 1st B: 2nd C: 3rd D: none Test Selected: general	rashid
Q: Slope of velocity time graph is _______ ? A: distance B: acceleration C: force D: momentum Test Selected: general	rashid
Q: the rate of change of momentum is equal to________ ? A: force B: velocity C: acceleration D: motion Test Selected: general	rashid
Q: At which angle the range of the projectile is maximum ? A: 30 B: 60 C: 45 D: none Test Selected: general	rashid
Q: 1st law of motion gives the definition of ? A: rest B: motion C: velocity D: force Test Selected: general	rashid
Q: inertia of an object is quantitative measure of its _______ ? A: volume B: density C: mass D: temperature Test Selected: general	rashid
Q: Area under velocity time graph represents ? A: force B: displacement C: distance D: acceleration Test Selected: general	rashid
Q: when body is in motion _______ always changes ? A: its velocity B: its acceleration C: its position vector D: its momentum Test Selected: general	rashid
Q: Linear expansion occurs in______ ? A: solid B: liquid C: both D: none Test Selected: general	rashid
Q: The first book of Physics was written by ? A: kelvin B: Aristotle C: Faraday D: newton Test Selected: general	rashid
Q: The______ branch of physics deals with nuclear particles such as neutrons, protons and electrons. ? A: solid state physics B: plasma physics C: nuclear physics D: particle physics Test Selected: general	rashid
Q: What is the unit of energy ? A: Joule B: Ampere C: Pascal D: Kelvin Test Selected: ministry of defence jobs	Ali
Q: When an object is transferred from Earth to Moon ? A: Its mass increases B: Its weight increases C: Its mass decreases D: Its mass remains unchanged Test Selected: state bank of pakistan jobs og2	Anwar
Q: When an object is transferred from the moon to the earth ? A: its weight decreases and its mass increases on the earth B: its weight increases and its mass decreases on the earth C: its weight and mass remain constant on the earth D: its weight increases and its mass remains constant on the earth Test Selected: state bank of pakistan jobs og2	Anwar
Q: ? A: B: C: D: Test Selected: general
Q: Electric generator converts mechanical energy into ? A: Heat energy B: Electrical energy C: Solar energy D: Nuclear energy Test Selected: nts	Syed Rashid
Q: One coulomb per second is equal to ? A: One volt B: One ampere C: One watt D: One ohm Test Selected: nts	Syed Rashid
Q: The S.I unit of current is ? A: Ohm B: Coulomb C: Volt D: Ampere Test Selected: nts	Syed Rashid
Q: If a charged capacitor is connected to earth its charge ? A: Decrease B: Increase C: Remain same D: None of above Test Selected: nts	Syed Rashid
Q: As mass number increases , which of the following does not change ? A: Binding energy B: Mass C: Volume D: Density Test Selected: nts	Syed Rashid
Q: Photodiode is not used in ? A: Logic circuit B: Photovoltaic cell C: Detection of light D: Automatic switching Test Selected: nts	Syed Rashid
Q: Impedance of series circuit at resonance is ? A: Inductive B: Resistive C: Capacitive D: Both A and B Test Selected: nts	Syed Rashid
Q: If current in two nearby loops is in same order.They ? A: Attract B: Repel C: Attract and repel D: No effect Test Selected: nts	Syed Rashid
Q: The rest mass of photon is ? A: Infinity B: Zero C: One D: 9.1�10^-31 kg Test Selected: nts	Syed Rashid
Q: The absorption power of a perfect black body is always ? A: Zero B: -1 C: 1 D: 100 Test Selected: nts	Syed Rashid
Q: If the temperature of a conductor is increased,the product of resistivity and conductivity ? A: Increase B: Decrease C: Remains constant D: Zero Test Selected: nts	Syed Rashid
Q: The work done in moving a positive charge on an equipotential surface is ? A: Finite B: In finite C: Zero D: Finite and negative Test Selected: nts	Syed Rashid
Q: One amu is equal to ? A: 931 MeV B: 932 MeV C: 93.1 MeV D: 0.931 MeV Test Selected: nts	Syed Rashid
Q: One electron volt is equal to ? A: 6.25�10^28 joule B: 6.25�10^-18 joule C: 1.6�10^-19 joule D: 1.6�10^19 joule Test Selected: nts	Syed Rashid
Q: Work done by the force of friction is ? A: positive only for large frictional force B: positive only for small frictional force C: Always positve D: Always negative Test Selected: nts	Syed Rashid
Q: 4. Which of the following types of force can do no work on the particle on which it acts ? A: centripetal force B: elastic force C: gravitational force D: frictional force Test Selected: nts	Syed Rashid
Q: Rectangular coordinate system is also called ? A: spherical coordinate system B: cylindrical coordinate system C: cartesian coordinate system D: polar coordinate system Test Selected: nts	Syed Rashid
Q: Addition of vector obeys ? A: Commutative law B: Associative law C: Distributive law D: All above options Test Selected: nts	Syed Rashid
Q: How many types of units are in SI ? A: One B: Two C: Three D: Four Test Selected: nts	Syed Rashid
Q: The S.I unit of heat is ? A: Watt B: Volt C: Joule D: Newton Test Selected: nts	Syed Rashid
Q: Potentiometer can be used as ? A: Ohm meter B: Ammeter C: Galvanometer D: Potential divider Test Selected: nts	Syed Rashid
Q: The S.I unit of Power is ? A: Columbs B: Meter C: Watt D: Newton Test Selected: nts	Syed Rashid
Q: Which electric bulb has the least resistance ? A: 60 watts B: 100 watts C: 200 watts D: 500 watts Test Selected: nts	Syed Rashid
Q: The study of electric charges at rest under the action of electric force is known as ? A: Electrostatic B: Electrodynamics C: Electronics D: Electromagnetism Test Selected: nts	Syed Rashid
Q: The SI unit of pressure is ? Answer: Pascal Test Selected: nts	Ali Zain
Q: The SI unit of charge is ? A: Ampere B: Coulomb C: Ohm D: Volt Test Selected: nts	Ali Zain
Q: which of the following ray has Highest penetration power ? A: Alpha Rays B: Beta Rays C: Gamma Rays D: Ultraviolet Test Selected: ppsc	Ali Zain
Q: For sending sound waves at a large distance, which waves are used ? A: Infra Red Waves B: Radio Waves C: Light Waves D: X-rays Test Selected: ppsc	Aliza
Q: Ohm's law is not applicable for ? Answer: semiconductor Test Selected: ministry of defence jobs	Ali Zain
Q: Birds depend on Newton's ____________ law of motion ? Answer: 3rd Test Selected: ministry of defence jobs	Afsheen
Q: When an object is transferred from earth to moon ? Answer: Mass remains unchanged Test Selected: state bank of pakistan jobs og2	Amber Ali

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