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Q1 : The time period of a second pendulum is______________?

A: 4 seconds B: 3 seconds C: 2 seconds D: 6 seconds

Q2 : The length of the second pendulum is________________?

A: 100 cm B: 99 cm C: 99.2 cm D: 98 cm

Q3 : If the length of the second pendulum becomes four times, then its time period will become________________?

A: 4 times B: 6 times C: 8 times D: 2 times

Q4 : The force responsible for the vibratory motion of the simple pendulum is_________________?

A: mg cosθ B: mg sinθ C: mg tonθ D: mg

Q5 : The frequency of the second pendulum is________________?

A: 1 hertz B: 0.5 hertz C: 1.5 hertz D: 2.5 hertz

Q6 : Simple harmonic motion is a type of________________?

A: Rotational motion B: Circular motion C: Musical arrangement D: Vibratory motion

Q7 : The SI unit of force constant is identical with that of__________________?

A: Force B: Pressure C: Surface tension D: Loudness

Q8 : When the amplitude of a wave becomes double its energy become_________________?

A: Double B: Four times C: One half D: None time

Q9 : A simple pendulum suspended from the ceiling of a lift has time period T when the lift is at rest. When the lift falls freely, the time period is_________________?

A: Infinite B: T/g C: Zero D: g/T

Q10 : The energy of SHM is maximum at_______________?

A: Mean position B: Extreme position C: In between mean and extreme D: All positions during SHM

Q11 : The product of the frequency and time period is equal to_________________?

A: 1 B: 2 C: 3 D: 4

Q12 : The length of the second pendulum is_________________?

A: 100 cm B: 99 cm C: 99.2 cm D: 98 cm

Q13 : The displacement of SHM is written as X = X`sinθt if the displacement is written by X = Xθ sont then phase constant will be equal to_______________?

A: 0° B: 45° C: 90° D: 180°

Q14 : For what displacement the P.E becomes 1/4 of its maximum value ?

A: x = x’ B: x = x’/2 C: x = x’/4 D: x = x(2)’/2

Q15 : Which one does not work according to resonance ?

A: T.V B: Radio C: Microwave oven D: Bulb

Q16 : The restoring force acting on the simple pendulum is given by_______________?

A: mg sin θ B: mg sin θ C: mg cos θ D: mg cos θ

Q17 : The phase of SHM describes________________?

A: Displacement only B: The direction of motion only C: Both displacement and direction of motion D: Neither displacement nor direction of motion

Q18 : The sharpness of resonance is__________________?

A: Directly proportional to the damping force B: Inversely proportional to the damping force C: Equal to the square of damping force D: Equal to the square of damping force

Q19 : The natural frequency of simple pendulum depends upon_______________?

A: It’s mass B: It’s length C: Square of its length D: The square root of its length

Q20 : Electrical resonance is observed in_______________?

A: Radio B: Microwave oven C: Both in radio and microwave oven D: Neither in radio nor in a microwave oven

Q21 : Total distance travelled by a bob of the simple pendulum in one vibration is equal to________________?

A: Amplitude B: Square of the amplitude C: 2 x amplitude D: 4 x amplitude

Q22 : When K.E energy of SHM is maximum its__________________?

A: P.E is zero B: Acceleration is zero C: Restoring force is zero D: All P.E acceleration and restoring force are zero

Q23 : In damped harmonic oscillation which one decreases ?

A: Amplitude of vibration B: Energy of vibration C: Both amplitude and energy D: Neither amplitude nor energy

Q24 : Forced vibration is known as_____________________?

A: Simple harmonic vibration B: Natural vibration C: Driven harmonic vibration D: Free vibration

Q25 : The mass attached to a spring executes ?

A: Vibratory motion B: Rotatory motion C: S.H.M D: Both A and C

Q26 : At Murree Hills (Assume the value of g changes). If we use a simple pendulum as time standard then one-second duration will_____________?

A: Increase B: Decrease C: Remains the same D: Is zero

Q27 : The velocity of the mass attached to a spring is maximum at_______________?

A: Mean position B: Extreme position C: Both A and B D: None

Q28 : The projection of the particle moving in a circle with non-uniform speed executes ?

A: S.H.M B: Vibratory motion C: Both B and D D: None S.H.M

Q29 : Displacement of the body in S.H.M is equal to amplitude when the body is at_______________?

A: Mean position B: Elsewhere C: Extreme position D: None

Q30 : For a simple pendulu,m the restoring force is caused by________________?

A: Gravity B: Spring C: Hand D: All of these

Q31 : The distance covered by a body in one complete vibration is 20cm. What is the amplitude of body ___________________?

A: 10 cm B: 5 cm C: 15 cm D: 7.5 cm

Q32 : A cup of milk is placed in a microwave oven. Tell which statements is false. (1) Milk will be heated up only. (2) Cup will remain cool. (3) Both cup and mild will get hot ?

A: None B: 1 C: 2 D: 3

Q33 : In case of a simple pendulum, the cause of damping is__________________?

A: Drag force of air B: Gravity C: Tension in the string D: None of these

Q34 : In case of a simple pendulum, the cause of damping is__________________?

A: Drag force of air B: Gravity C: Tension in the string D: None of these

Q35 : The energy absorbed by a body is __________________ at resonance?

A: Maximum as well minimum B: Minimum only C: Maximum only D: 0

Q36 : The relativistic energy E is equivalent to relativistic mass given by_______________?

A: Ec2 B: E/c2 C: E/c D: c2/E

Q37 : Which one of the following radiations has the strongest photon?

A: T.V waves B: Microwaves C: X-rays D: γ-rays

Q38 : 0.001 kg mass will be equivalent to_________________?

A: 2.50 GWh B: 25.00 GWh C: 0.26 GWh D: 250 GWh

Q39 : Mark the wrong statement ?

A: a frame of reference which is either at rest or moves with a constant velocity is called an inertial frame of reference B: an un-accelerated frame of reference is called an inertial frame of reference C: all the frames of reference in uniform rectilinear motion are equivalent D: Newtons laws of motion are valid in an accelerated (non inertial) frame of reference

Q40 : An observer shoots parallel to a meter stick at very high (relativistic) speed and finds that the length of meter stick is________________?

A: greater than one meter B: less than one meter C: one meter D: a foolish question

Q41 : Linear momentum of a photon is_______________?

A: zero B: hv/c2 C: hv/c D: c2/hv

Q42 : The linear momentum of an X-ray photon of wavelength 0.1A is_______________?

A: 6.625x1023N-s B: 66.25x1023N-s C: 662.5x1023N-s D: data is insufficient

Q43 : Stopping potential for a metal surface in case of photoelectric emission depends on_____________?

A: the threshold frequency for the metal surface B: the intensity of incident light C: the frequency of incident light and work function of the metal surface D: all of the above

Q44 : The existence of Ether wind was experimentally rejected by__________________?

A: equal to its rest mass B: double of its rest mass C: infinite D: zero

Q45 : Select an alternative from of uncertainly principle from the following_______________?

A: ∆E = h/m∆c(1-cosθ) B: ∆E . ∆t = h C: mc2 = hv D: Any of above

Q46 : If a material object moves with speed of light its mass becomes ________________?

A: equal to its rest mass B: double of its rest mass C: infinite D: zero

Q47 : Rest mass of a photon is________________?

A: infinite B: zero C: very small D: 1.67 x 10-27 kg

Q48 : Einstein’s photoelectric equation is given by_______________?

A: 1/2 mvmax2=hf+Φ B: 1/2 mvmax2=hf+Φ C: 1/2 mvmax2=hf-Φ D: All of above are correct

Q49 : As the temperature of black body is raised the wavelength corresponding to maximum intensity________________?

A: shifts towards longer wavelength B: shifts towards shorter wavelength C: remain the same D: shifts towards longer as well as shorter wavelengths

Q50 : The name of the photon for quantum of light was proposed by________________?

A: Ampere B: Plank C: Thomson D: Einstein

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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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