Physics MCQs with Answers – Free Bio MCQs Test for All Topics

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Q1 : Study of sound is called _____________?

A: Soundlogy B: Acoustics C: Neurology D: Physiology

Q2 : Which of the following is not a unit of length?

A: light year B: radian C: angstrom D: micron

Q3 : A train is moving with a speed of 100mph. What will be its speed in m/s.?

A: 45 m/s B: 90 m/s C: 100 m/s D: 120 m/s

Q4 : The mass of Platinum cylinder kept near Paris is________?

A: 1 gram B: 1 Kg C: 100 Kg D: None

Q5 : A vector can have maximum________components in a plane

A: Zero B: Two C: Three D: Infinite

Q6 : A vector can have maximum________components in space.?

A: Zero B: Two C: Three D: Infinite

Q7 : For what value of “a” , the magnitude of a vector A= 2i^+j^+ak^ should be 3?

A: -2 B: 2 C: 4 D: Both A & B

Q8 : The vector A= 2i^+2j^ makes_______ angle with x-axis.?

A: 30° B: 45° C: 60° D: 90°

Q9 : Which of the following can not be the resultant of two vectors having magnitude 10N and 15N?

A: 18N B: 22N C: 25N D: 30N

Q10 : Which of the following pair of forces can produce a resultant of 8N?

A: 2N & 5N B: 20N & 2N C: 3N & 6N D: 4N & 1N

Q11 : What is the minimum number of unequal magnitude vectors required to get a null vector?

A: Zero B: Two C: Three D: None

Q12 : Angle between the rectangular components of a vector is________?

A: Zero B: 30° C: 45° D: 90°

Q13 : Which of the following group of forces can produce equilibrium?

A: 12N, 5N, 20N B: 4N ,2N, 10N C: 10N, 18N D: 12N, 5N, 15N

Q14 : Addition of vectors obeys_______law?

A: Commutative Law B: Associative Law C: Distributive Law D: All of these

Q15 : If a vector Ā is making an angle “∅” with positive y-axis then which of the following is correct.?

A: Ax= ACos∅ B: Ay= ASin∅ C: Ay= ACos∅ D: None

Q16 : Which of the following is reverse process of composition of vectors?

A: Addition of vectors B: Subtraction of vectors C: Multiplication of vectors D: Resolution of vectors

Q17 : Speed of a body can not be_______?

A: Zero B: Positive C: Negative D: None

Q18 : Newton’s first law of motion is valid in_______?

A: Accelerated frame of reference B: Inertial frame of reference C: Non-inertial frame of reference D: None

Q19 : The ratio of displacement to distance can not be___________?

A: Equal to one B: Less than one C: Greater than one D: All are possible

Q20 : If the distance-time graph gives a straight line then body possesses___________?

A: Zero Velocity B: Uniform Velocity C: Variable Velocity D: None

Q21 : When average and instantaneous velocities become equal then body possess_______?

A: Uniform Velocity B: Variable Velocity C: Uniform Acceleration D: Variable Acceleration

Q22 : The slope of velocity-time graph gives_______?

A: Speed B: Velocity C: Acceleration D: All of these

Q23 : If the velocity-time graph gives a parabolic curve then body posses______?

A: Variable acceleration B: Constant acceleration C: Zero acceleration D: All of these

Q24 : Area under the curve of velocity-time graph gives_______?

A: Displacement B: Force C: Acceleration D: Momentum

Q25 : If a wire has a resistance of 0.5 ohm, then its conductance is:

A: 1 S B: 1.5 S C: 2 S D: 5 S

Q26 : The unit of entropy is________________?

A: J.K B: J/K C: N.m/sec D: Kgm2/sec2.K

Q27 : An elevator weighing 3.5 x 10-6 N is raised to a height of 1000 m in the absence of friction, the work done is_________________?

A: 3.5 x 10-3 J B: 3.5 x 104 J C: 3.5 x 106 J D: 3.5 x 109 J

Q28 : The SI unit of Heat is________?

A: Watt B: Volt C: Joule D: Newton

Q29 : What is the SI unit of acceleration is ___________?

A: Meter per secound B: meter per second square C: Both D: All

Q30 : If vectors a and b are antiparallel to each other then their resultant is ___________?

A: a−b B: 2b C: 2a D: a+b

Q31 : If Ax is -ve and Ay is +ve, the resultant is:___________?

A: 2nd B: 4th C: 3rd D: 1st

Q32 : A vector which has magnitude one is called _________?

A: A resultant vector B: A unit vector C: A null vector D: A position vector

Q33 : For anti-parallel vectors angle is equal to ____________?

A: 90° B: 180° C: 270° D: None of these

Q34 : An example of scalar quantity is _________?

A: Displacement B: Speed C: Velocity D: Acceleration

Q35 : The dimension of velocity are __________?

A: LT B: LMT C: LMT^-1 D: LT^-1

Q36 : An electric motor could be used as a: ___________?

A: Battery B: Capacitor C: Dynamo D: Transformer

Q37 : 1 Weber / m² is equal to __________?

A: One gauss B: 3×10¹⁰ gauss C: 10⁴ gauss D: 1/3×10^-8 gauss

Q38 : A low resistance which can bypass a current is: _____________?

A: Divider B: Shunt C: Multiplier D: None of these

Q39 : A.C. and D.C. have the same __________?

A: Affect in charging a capacitor B: Affect in charging a battery C: Affect while passing through an inductance D: Heating effect through a resistance

Q40 : As a result of annihilation of electron and positron, number of γ–ray (Gama ray) photons are: ________?

A: Two B: Three C: Four D: One

Q41 : Modern system of navigation satellites called ___________?

A: Inertia frames of reference B: Navstar C: Proton D: None of these

Q42 : A black body has the property to _____________ all the radiation entering it.

A: Exude B: Reflect C: Absorb D: None of these

Q43 : Mass-Energy relation given by Einstein in represented as: ____________?

A: E=mc² B: E=hf C: E=m²c D: E=mv²

Q44 : The mass of an object will get doubled at the speed of __________?

A: 2.6×10⁴ m/s B: 2.6×10⁶ m/s C: 2.6×10² m/s D: 2.6×10 m/s

Q45 : Due to the relative motion of observer and frame of reference time:

A: Dilates B: Contracts C: Constant D: Uniform

Q46 : Compton’s effects was presented by: ________?

A: Mosely B: Marley C: Arthur Holly Compton D: Stefan Boltzman

Q47 : A black body emitting all the radiation in the visible region appears________.

A: Green B: White C: Blue D: Black

Q48 : A photon is always considered to be: ________?

A: Moving with speed of light B: At rest C: In accelerated form D: Moving with speed of sound

Q49 : The antiparticle of electron is: ______?

A: Proton B: Meson C: Neutron D: Positron

Q50 : Earth’s orbital speed is __________?

A: 70 km/s B: 60 km/s C: 45 km/s D: 30 km/s

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Physics MCQs with Answers – Free Bio MCQs Test for All Topics

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Physics MCQs with Answers – Free Bio MCQs Test for All Topics

Looking for Physics MCQs with answers? Get topic-wise Bio MCQs tests for NEET, MDCAT, and competitive exams. Practice now and test your knowledge with educatehow.com

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