Physics set 1 MCQs

Practice interactive objective questions for this topic. Select an option to instantly verify your answer and read detailed explanations.

Showing 448 questions
Q.31 What is the frequency (f) of a wave with a period of 0.04 seconds?
A 25 Hz
B 40 Hz
C 100 Hz
D 50 Hz
Discuss / Board
Q.32 If four resistances of 4 ohm each are connected in parallel, what will be their effective resistance?
A 4 ohm
B 10 ohm
C 1 ohm
D 16 ohm
Discuss / Board
Q.33 Calculate the Body Mass Index (BMI) of a person whose weight is 50 kg and height is 1.5 m.
A 22.2 kg/m2
B 25.0 kg/m2
C 16.6 kg/m2
D 18.0 kg/m2
Discuss / Board
Q.34 Which of the following options has all vector quantities?
A Force, Velocity, Momentum, Energy and Power
B Force, Velocity, Momentum, Weight and Acceleration
C Force, Velocity, Momentum, Energy and Acceleration
D Power, Momentum, Energy, Speed and Work
Discuss / Board
Q.35 At 1 bar pressure, the volume of a fixed amount of hydrogen gas is 2.27 litre. What will be the volume if the pressure is kept at 0.2 bar?
A 11.35 cm3
B 12250 cm3
C 11350 cm3
D 10270 cm3
Discuss / Board
Q.36 Why will a person weigh more at the north or south pole?
A Due to variation in centripetal force of earth with latitude
B Due to variation in centrifugal force of earth with latitude
C Due to Earth's distance from the sun
D Due to variation in centripetal force of earth with altitude
Discuss / Board
Q.37 Four resistors of equal resistance R each are connected. Which of the following values cannot be achieved by using all four?
A 2 R
B 1.33 R
C 0.25 R
D 2.5 R
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Q.38 Calculate the power of an escalator moving 20 people per minute to a height of 15m (avg mass 50kg, g=10).
A 15 kW
B 150 kW
C 1.25 kW
D 2.5 kW
Discuss / Board
Q.39 When a sailor jumps out of a rowing boat, the boat moves backwards. This represents:
A the Third law of motion
B rectilinear motion
C the First law of motion
D the Second law of motion
Discuss / Board
Q.40 Two masses of 1 kg and 2 kg were dropped from a height of 3.2 metres. Their respective velocities just before touching the ground will be:
A 4 m/s and 8 m/s
B 8 m/s and 4 m/s
C 8 m/s for both
D 3.2 m/s for both
Discuss / Board
Q.41 Which of the following forces can only be applied when in contact with an object?
A Frictional force
B Gravitational force
C Electrostatic force
D Magnetic force
Discuss / Board
Q.42 Who discovered a principle that states that the buoyant force on an object is equal to the weight of the fluid displaced by the object?
A Isaac Newton
B Niels Bohr
C Archimedes
D Galileo Galilei
Discuss / Board
Q.43 Which of the following statement /statements is/are true regarding the light year?
A Only 1 is correct
B Only 1 and 3 are correct
C Only 2 is correct
D Only 1 and 2 are correct
Discuss / Board
Q.44 Identify the device used to change the resistance in an electric circuit.
A Ammeter
B Rheostat
C Conductor
D Voltmeter
Discuss / Board
Q.45 Which of the following is used for determining the value of 1 ampere.
A 𝐴 = 1𝐶/s
B C = A/2 s
C 𝐴 = 2𝐶/𝑠
D C = A×2 s
Discuss / Board
Q.46 Which of the following is an example of inertia of rest?
A Falling down backward when a vehicle starts immediately
B Falling down of dust particle while dusting a cloth
C The detachment of leaves/fruits due to shaking
D The sudden application of brakes in a vehicle
Discuss / Board
Q.47 What kind of energy does a yo-yo have before it is released?
A Potential energy
B Light energy
C Chemical energy
D Kinetic energy
Discuss / Board
Q.48 Who among the following physicists invented the voltaic pile, the forerunner of the modern battery, in 1800 ?
A Andre-Marie Ampere
B George Simon
C Alessandro Volta
D Hans Christian Oersted
Discuss / Board
Q.49 Which wave oscillates parallel to the motion of the sound wave?
A Mechanical wave
B Electromagnetic wave
C Transverse wave
D Longitudinal wave
Discuss / Board
Q.50 Which physicist is known to establish the relationship between mechanical work and heat transfer?
A Hermann Helmholtz
B John Dalton
C James Prescott Joule
D William Henry
Discuss / Board
Q.51 Which part of the bifocal lens facilitates near vision?
A Upper part with concave lens
B Lower part with concave lens
C Upper part with convex lens
D Lower part with convex lens
Discuss / Board
Q.52 Which of the following is the SI unit of velocity?
A kg/m
B kg/s
C s/m
D m/s
Discuss / Board
Q.53 Watt is the unit of .
A Energy
B Momentum
C Resistance
D Power
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Q.54 In which unit, frequency is measured?
A Hertz (Hz)
B Hour(hr.)
C Decibel
D Minute(min.)
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Q.55 When something accelerates along a circular path, keeps it going in the circle.
A Friction
B Velocity
C Centripetal force
D Elastic force
Discuss / Board
Q.56 Which Law of Newton states that for every action (force) in nature there is an equal and opposite reaction?
A 4th
B 1st
C 3rd
D 2nd
Discuss / Board
Q.57 The loudness of sound is measured in which unit?
A Hertz (Hz)
B Sound intensity
C Watt/sq. Metre ( w/m2 )
D Decibel (dB)
Discuss / Board
Q.58 The number of oscillations per second is called of oscillation.
A pitch
B amplitude
C hertz
D frequency
Discuss / Board
Q.59 Which of the following device is used to measure the distance travelled by the vehicle?
A Speedometer
B Tachometer
C Odometer
D Fuel gauge
Discuss / Board
Q.60 Which of the following is the SI unit of temperature?
A Celsius ( ∘C)
B Fahrenheit (F)
C Kelvin (K)
D Pascal (Pa)
Discuss / Board

Master Physics set 1 for All Competitive Exams 2026

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