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

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Q1 : To measure the speed of an approaching car a police officer shines?

A: light waves on it B: microwaves on it C: radio waves on it D: ultra high frequency waves on it

Q2 : A bird sitting on a high tension electric wire does not get electrocuted because:

A: Sit has high resistance B: the body is earthed C: it does not form a closed path for the flow of current D: its feet are good insulators

Q3 : A person wears spectates with concave lenses. It means that normally (when not using glasses), the image of distant objects is focused in his eyes:

A: behind the retina B: in front of the retina C: on the retina D: on the blind spot

Q4 : CGS system of units is also called __________?

A: Metric system B: Metric or French system of units C: Metric or British system of units D: None of these

Q5 : The power is the dot product of ___________ quantities.

A: Force and time B: Force and velocity C: Force and speed D: None of these

Q6 : Kirchhoff’s 2nd rule is related to: ___________?

A: IR Drops B: Battery emf C: junction voltages D: both “1” and “2”

Q7 : Matter itself has energy called ________?

A: Potential energy B: Rest energy C: Chemical energy D: Nuclear energy

Q8 : The unit of force in CGS, system is __________?

A: Newton B: Pound C: Dyne D: None of these

Q9 : Mohus scale is used for to measure ____________?

A: Hardness B: Humidity C: Pressure D: Temperature

Q10 : The distance between any two consecutive nodes or antinodes in a stationary wavelength (λ) is _________?

A: λ B: λ/2 C: λ/4 D: λ/8

Q11 : Tesla is the unit for measuring:

A: Magnetic intensity B: Magnetic moment C: Magnetic induction D: None of the above

Q12 : Neutron was discovered by: _________?

A: Chadwick B: Rutherford C: Neil Bohr D: Einstein

Q13 : The synopsis of Einstein’s equation E = mc² is that

A: The faster you move, the lighter you get B: The faster you move, the heavier you get C: The slower you move, the heavier you get D: None of the above

Q14 : A___________has no size or shape, just position.

A: line B: bottom C: point D: vertex

Q15 : Force 100N is applied on a wire produces extension 5mm in it. Energy stored in it is

A: 0.125 J B: 0.250 J C: 0.50 J D: 1 J

Q16 : The unit of power is _________?

A: watt B: Joule C: Newton D: Pascal

Q17 : Newton’s first law of motion gives the concept of _________?

A: Energy B: Energy C: Inertia D: Momentum

Q18 : In addition to the daughter nucleus and an electron or positron, the products of a beta decay

A: Neutrons B: Neutrino C: Alpha particle D: Proton

Q19 : Frequency is the inverse of __________?

A: Velocity B: Stress C: Time Period D: Gravity

Q20 : Field particle of Electromagnetic interaction is _________?

A: Photon B: Meson C: Vector Boson D: Graviton

Q21 : Rainbow is seen after rain because of hanging molecules of water which act as __________?

A: Lens B: Prism C: Mirror D: Slabs

Q22 : A ball of mass 0.2 kg is thrown vertically upwards by applying a force by hand. If the hand moves 0.2 m while applying the force and the ball goes up to 2 in height further, find the magnitude of the force. Consider g = 10m/s 2

A: 22N B: 16N C: 20N D: 4N

Q23 : A body is falling freely under gravity. How much distance it falls during an interval of time between 1st and 2nd seconds of its motion, taking g=10 ?

A: 15 m B: 20 m C: 5 m D: 25 m

Q24 : If the momentum of an object is increased twice, then what will be the kinetic energy?

A: Twice B: Thrice C: Thrice D: Sixteen times

Q25 : The back emf of a motor which is just started is_________?

A: Zero B: Maximum C: Minimum D: Optimum

Q26 : The light used in optical fiber transmission is________?

A: Dichromatic B: Monochromatic C: Pentachromatic D: None of these

Q27 : The reverse of LED is______?

A: Diode B: Resistor C: Photodiode D: Capacitor

Q28 : Ceramic magnets are_______?

A: Semiconductors B: Insulators C: Conductors D: None of these

Q29 : When a projectile moves upward , its vertical component of velocity?

A: Decrease B: increase C: Remains same D: None of these

Q30 : The co efficient of linear expansion is equal to__________?

A: ΔL = αLΔT B: ΔL/LΔT C: LΔT/ΔL D: αLΔT-ΔL

Q31 : What is wavelength of visible spectrum?

A: 8500 – 9800 angstrom B: 7800 – 8000 angstrom C: 3900 – 7600 angstrom D: 1300 – 3000 angstrom

Q32 : Value of ‘g’ at the surface of moon is _____________?

A: 6ge B: ge/6 C: 2ge D: Zero

Q33 : Intensity level of threshold of pain is: _____________?

A: 60 db B: 80 db C: 100 db D: 120 db

Q34 : Which of the following is a good moderator?

A: Helium B: Cadmium C: Graphite D: Ordinary Water

Q35 : Power of a lens is one diopter if its focal length is

A: 1 meter B: 2 meter C: ½ meter D: ¼ meter

Q36 : The anti-matter is composed of: __________________?

A: Anti-electrons B: Anti-proton C: Anti-neutron D: All of these

Q37 : Length, mass, time, intensity of light and amount of substance are examples of ____________?

A: Base quantities B: Derived quantities C: Prefixes D: Quartile quantities

Q38 : Optics does not deal with ___________?

A: Nature of light waves B: Properties of light C: Characteristics of sound D: Lenses and mirrors

Q39 : Which one of the following of glass can cut ultraviolet rays?

A: Jena Glass B: Soda Glass C: Pyrex Glass D: Crookes Glass

Q40 : When two charges are placed in water then the Coulomb force between them reduces to _____________?

A: 1/2 times B: 1/3 times C: 1/78 times D: 1/58 times

Q41 : Mach is the unit of measurement in stating the speed of a moving object in relation to__________?

A: A. The speed of sound B: The speed of other object C: The speed of light D: The speed of air resistance

Q42 : The process in which no heat enters or leave the system known as _____________?

A: Isochoric B: Isobaric C: adiabatic D: Isothermal

Q43 : The system which can exchange matter as well as energy with its surroundings is called____________?

A: open system B: Closed system C: Isolated system D: Inert system

Q44 : Which of the following is path funtion?

A: Internal energy B: work and heat C: Enthalpy D: Entropy

Q45 : 1atm is equal to

A: 760 torr B: 760 mmHg C: 101.3 kPa D: all of the above

Q46 : Product of time period and frequency is ____________?

A: Time period B: Frequency C: Unity D: Velocity

Q47 : Product of wavelength and time period is _______________?

A: Frequency B: Velocity C: Time period D: Wavelength

Q48 : Unit vector is used to specify the _____________?

A: Magnitude B: Velocity C: Direction of vector D: Frequency

Q49 : Inertia is depends upon only?

A: Velocity B: Direction C: Mass D: Time

Q50 : We have two bodies, One is moving with 2m/s velocity and other is at rest, which one has greater inertia?

A: Moving body B: Body is at rest C: Both have not any inertia D: Both have same inertia because inertia depends upon mass only

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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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