Practice Measurement, Instruments & Physical Quantities RRB PYQ questions from Railway examinations, including RRB NTPC PYQ, RRB Group D PYQ, RRB JE PYQ, RRB ALP PYQ and RRB Technician PYQ. This Physics question collection covers important concepts related to physical quantities, units, measurement, measuring instruments, SI units and the use of different instruments for measuring physical quantities.
These RRB Physics PYQ questions are useful for understanding the types of questions asked in Railway examinations and for revising important concepts through previous year questions. Each question includes the correct answer and explanation, helping you identify mistakes and strengthen your Physics fundamentals.
Whether you are preparing for RRB NTPC Measurement PYQ, RRB Group D Measurement PYQ, RRB JE Measurement PYQ, RRB ALP Measurement PYQ, or RRB Technician Measurement PYQ, regular practice can help you improve your understanding of measurement-related concepts and build confidence for the examination.
51
Odometer is an instrument which is used in motor vehicle for measuring-
RRB Group D / RRB ALP & Technician
RRB Group D / RRB ALP & Technician
2018
✓ Answer:BDistance
An odometer records the distance travelled by a vehicle.
52
Ammeter : Electric current :: Ohmmeter : ?
RRB Group D
2018
✓ Answer:CResistance
An ohmmeter measures electrical resistance, expressed in ohms.
53
Which of the following does NOT match?
RRB NTPC
2021
✓ Answer:BCyclotron — measures cyclones
A cyclotron is a particle accelerator, not an instrument for measuring cyclones. The other pairs are valid.
54
Which instrument is used for measuring distance travelled by vehicle?
RRB Group D
2018
✓ Answer:BOdometer
An odometer measures the distance travelled by a vehicle.
55
Which instrument is used for measuring power and speed of wind?
RRB Group D / RRB NTPC
2018 / 2021
✓ Answer:DAnemometer
An anemometer measures wind speed and can also be used to determine wind-related pressure and power characteristics.
56
Which instrument is used to detect the presence of electric charge on an object?
RRB NTPC
2021
✓ Answer:BElectroscope
An electroscope detects the presence of electric charge on a body through electrostatic effects.
57
Which of the following speed of flow measuring instrument is an area meter?
RRB SSE
2014
✓ Answer:BRotameter
A rotameter is a variable-area flow meter used to measure volumetric flow rate.
58
Which of the following can be measured temperature without touching to object?
RRB JE
2014
✓ Answer:AInfrared thermometer
An infrared thermometer measures temperature remotely by detecting infrared radiation emitted by an object.
59
What does a hygrometer measure?
RRB NTPC
2021
✓ Answer:BHumidity
A hygrometer measures the amount of water vapour or humidity in air.
60
Tachometer is used for-
RRB JE / RRB NTPC / RRB SSE
2014 / 2016 / 2014
✓ Answer:AR.P.M.
A tachometer measures rotational speed, usually expressed in revolutions per minute (RPM).