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.181 The process in which no heat enters or leaves the system is called:
A isothermal
B adiabatic
C isobaric
D isochoric
Discuss / Board
Q.182 Water equivalent of a body is measured in:
A kg
B joules
C calories
D kelvin
Discuss / Board
Q.183 Sound waves in air are:
A transverse
B longitudinal
C electromagnetic
D stationary
Discuss / Board
Q.184 The velocity of sound is maximum in:
A vacuum
B air
C water
D solids
Discuss / Board
Q.185 Bats navigate in the dark using:
A infrasonic waves
B ultraviolet waves
C ultrasonic waves
D microwaves
Discuss / Board
Q.186 The phenomenon of beats is a result of:
A reflection
B interference
C diffraction
D polarization
Discuss / Board
Q.187 Doppler effect is applicable to:
A sound waves only
B light waves only
C both sound and light waves
D none of the above
Discuss / Board
Q.188 Transverse waves cannot travel through:
A gases
B solids
C liquids
D vacuum
Discuss / Board
Q.189 Quality of a musical note depends on:
A fundamental frequency
B amplitude
C velocity
D harmonics present
Discuss / Board
Q.190 The distance between two consecutive nodes in a stationary wave is:
A wavelength
B wavelength divided by two
C wavelength divided by four
D twice the wavelength
Discuss / Board
Q.191 Mach number is the ratio of the velocity of an object to the velocity of:
A sound
B light
C water
D wind
Discuss / Board
Q.192 The splitting of white light into its component colors is called:
A diffraction
B scattering
C dispersion
D reflection
Discuss / Board
Q.193 Mirage is an example of:
A refraction only
B total internal reflection
C dispersion
D scattering
Discuss / Board
Q.194 The sky appears blue due to:
A reflection
B refraction
C dispersion
D scattering of light
Discuss / Board
Q.195 Optical fibers work on the principle of:
A refraction
B total internal reflection
C interference
D polarization
Discuss / Board
Q.196 The focal length of a plane mirror is:
A zero
B one
C infinity
D negative
Discuss / Board
Q.197 In a compound microscope, the intermediate image is:
A real inverted and magnified
B virtual erect and magnified
C real erect and diminished
D virtual inverted and diminished
Discuss / Board
Q.198 Which of the following colors has the longest wavelength?
A violet
B green
C red
D yellow
Discuss / Board
Q.199 Power of a lens is measured in:
A watts
B joules
C meters
D diopters
Discuss / Board
Q.200 When a ray of light passes from a denser to a rarer medium, it bends:
A towards the normal
B away from the normal
C goes straight
D reflects completely
Discuss / Board
Q.201 Resistance of a wire is directly proportional to its:
A area of cross section
B length
C temperature
D density
Discuss / Board
Q.202 Two resistors of 2 ohms and 3 ohms are in parallel. The equivalent resistance is:
A 5 ohms
B 1 ohm
C 1.2 ohms
D 0.8 ohms
Discuss / Board
Q.203 Which of the following is an ohmic conductor?
A copper wire
B diode
C transistor
D electrolytic solution
Discuss / Board
Q.204 The heating effect of electric current is used in:
A electric motor
B generator
C transformer
D electric iron
Discuss / Board
Q.205 An ammeter is always connected in:
A series
B parallel
C either series or parallel
D cascade
Discuss / Board
Q.206 The capacitance of a parallel plate capacitor increases with:
A increase in distance between plates
B decrease in area of plates
C increase in area of plates
D removal of dielectric
Discuss / Board
Q.207 The drift velocity of electrons in a wire is of the order of:
A km per s
B m per s
C mm per s
D cm per s
Discuss / Board
Q.208 A transformer works on the principle of:
A self induction
B mutual induction
C electromagnetic waves
D eddy currents
Discuss / Board
Q.209 Magnetic field lines always form:
A closed loops
B open loops
C straight lines
D spirals
Discuss / Board
Q.210 Which of the following is a ferromagnetic material?
A copper
B aluminum
C bismuth
D iron
Discuss / Board

Master Physics set 1 for All Competitive Exams 2026

Practicing Physics set 1 MCQs is one of the most effective ways to prepare for competitive examinations in 2026. This topic-wise question bank contains carefully selected multiple-choice questions designed to strengthen conceptual understanding, improve accuracy, and enhance problem-solving speed. Our collection includes beginner, intermediate, and advanced-level questions frequently asked in JKSSB, SSC, Banking, Railway, Police, Defence, State PSC, and various national-level examinations. Every question is structured to reflect real exam patterns and helps candidates become familiar with objective-type assessment formats. Instant answer verification enables students to identify mistakes immediately and learn the correct approach without wasting valuable preparation time. Regular practice of topic-wise MCQs improves retention, reinforces key concepts, and develops confidence required to perform well under exam pressure. Whether you are revising important concepts, preparing for an upcoming recruitment test, or strengthening weak areas, these practice questions provide a reliable platform for continuous improvement. Consistent participation in MCQ-based learning sessions can significantly increase your chances of achieving higher scores and better ranks in competitive examinations.

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