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.61 With the Theory of Relativity, transformed the landscape of physics, this theory majorly contributed to designing the theory of Quantum Mechanics.
A Paul G. Hewitt
B Galileo Galilei
C Albert Einstein
D Isaac Newton
Discuss / Board
Q.62 Which one of the following statements regarding magnetic field is correct?
A Magnetic field lines are open curves
B two magnetic field lines are found to cross each other
C Magnetic field is a quantity that has no direction and magnitude
D Magnetic field lines are closed curves
Discuss / Board
Q.63 The motion of electric charges creates current and generates an electromagnetic force, resulting in .
A Magnetism
B Gravity
C Optics
D Electricity
Discuss / Board
Q.64 Which of the following is a poor conductor of electricity?
A Tap water
B Distilled water
C Water from pond
D Water from hand pump
Discuss / Board
Q.65 Which physicist is best known for his experiments on generating and confirming the existence of electromagnetic waves?
A Heinrich Rudolf Hertz
B Isaac Newton
C JJ Thompson
D Einstein
Discuss / Board
Q.66 Using Fleming's right-hand rule, in which direction will the current flow if the direction of magnetic field is towards north and the conductor is moving vertically upward?
A Towards south
B Towards west
C Towards south-west
D Towards east
Discuss / Board
Q.67 .........is one billionth of a metre.
A millimeter
B micrometre
C parsec
D nanometre
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Q.68 An argon positive ion fired towards east gets deflected towards south by a magnetic field. The direction of magnetic field is:
A towards north
B towards south
C upward
D downward
Discuss / Board
Q.69 When did the United Nations declare the World Physics Year to mark the 100th anniversary of Albert Einstein's 'Annus Mirabilis'?
A 1995
B 2000
C 2005
D 2010
Discuss / Board
Q.70 For domestic tariff, one unit of electrical energy consumption is equal to:
A kilowatt-hour
B milliamps hour
C kilo joule hour
D kilo volt ampere hour
Discuss / Board
Q.71 Which of the following options represents only the units of energy?
A Calorie, Kilowatt hour, Newton
B Joule, Calorie, Newton
C Joule, Newton, Kilowatt hour
D Joule, Calorie, Kilowatt hour
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Q.72 Which physicist was famous for the gold foil experiment?
A Ernest Rutherford
B Niels Bohr
C JJ Thomson
D John Dalton
Discuss / Board
Q.73 Coulomb's law is applicable for .
A Between two distributed charges
B Between two point charges
C both distributed charges and point charges
D neither point charges nor distributed charges
Discuss / Board
Q.74 How is the image formed by a plane mirror?
A Virtual and inverted
B Virtual and erect
C Erect and inverted
D Laterally inverted and virtual
Discuss / Board
Q.75 What is the SI unit of force?
A Ohm
B Newton
C Watt
D Volt
Discuss / Board
Q.76 Why is it advised not to touch a switchboard with wet hands?
A Water can erode the switchboard.
B Combination of water and our body is a good conductor of electricity.
C Wet hands can fade away the colour coat of the switchboard.
D Wet hands might slip from the switch.
Discuss / Board
Q.77 Pascal is the SI unit of , which is defined as a force of 1 N applied uniformly over an area of 1 m2.
A pressure
B energy
C mass density
D power
Discuss / Board
Q.78 The equipment used to record the intensity of an earthquake is .
A seismograph
B pyrometer
C barometer
D calorimeter
Discuss / Board
Q.79 What is the value of 1 electron volt (eV), which is especially used for nuclear science?
A 1.202 ×10−15 joules
B 2.202 × 10−11 joules
C 1.602 ×10−19 joules
D 1.902 ×10−10 joules
Discuss / Board
Q.80 Why are the handles of cooking pans often covered with wood or plastic?
A Wood is a good conductor of heat and helps in cooking.
B Wood adds nice flavours to the food being cooked.
C Wood is an insulator and does not heat up.
D Wood helps the food cook faster.
Discuss / Board
Q.81 Which of the following is NOT a vector quantity?
A Acceleration
B Velocity
C Force
D Mass
Discuss / Board
Q.82 Rama experiences a drop in temperature as she is getting higher and higher in the mountains while trekking. What could be the cause of this?
A Rama's fatigue
B Less water
C Lower air pressure at altitude
D Higher air pressure at altitude
Discuss / Board
Q.83 What is u in the equation s = ut + 1/2at2, which represents the position-time relation?
A Uniform acceleration
B Initial velocity
C Change in momentum
D Speed of the object
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Q.84 What is the frequency of an object if we know that it oscillates 100 times in 5 seconds?
A 20 Hz
B 5 Hz
C 500 Hz
D 25 Hz
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Q.85 Meera shifted to a new house and was fixing light bulbs. Select the correct option that describes what happens to a fused bulb.
A The switch for the bulb was not turned on
B Meera did not fix the bulb to the holder properly
C The filament inside it was broken
D There was no connection between the bulb holder and the switch
Discuss / Board
Q.86 The SI unit of which fundamental physical quantity is named in the honour of Charles Augustin Coulomb?
A Electric current density
B Electric field
C Electric charge
D Electric power
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Q.87 If ' G ', ' M ' and ' R ' represent the universal gravitation constant, mass of the earth and radius of the earth, respectively, then which of the following is the correct expression for the acceleration due to gravity ( g ) on the surface of the earth?
A GM/R2
B GM2/R
C GM/R
D GMR2
Discuss / Board
Q.88 Sahil is pulled with 100 N East and 150 N West. What is the net force and direction of movement?
A 50 N , Monisha
B 250 N , will not move
C 50 N , Maya
D -50 N , Maya
Discuss / Board
Q.89 Sometimes when heated, solid changes into liquid at normal atmospheric pressure on reaching its melting point. What is the name of the amount of heat required?
A Latent heat of diffusion
B Latent heat of fusion
C Latent melting point
D Latent change of state point
Discuss / Board
Q.90 The Greek letter 'Omega' (Ω) is used to represent which physical quantity in the International System of Units (SI)?
A Electric displacement field
B Electrical conductance
C Electric potential difference
D Electric resistance
Discuss / Board

Master Physics set 1 for All Competitive Exams 2026

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