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.
41
Saccharimeter is a type of.
RRB RPF SI
2024
✓ Answer:APolarimeter
A saccharimeter measures sugar concentration using the optical rotation of polarized light and is a type of polarimeter.
42
From which device is the electric current measured?
RRB NTPC / RRB JE
2021 / 2014
✓ Answer:BAmmeter
An ammeter is connected in a circuit to measure electric current in amperes.
43
Galvanometer is used for measuring-
RRB Group D
2018
✓ Answer:DDirection of current
A galvanometer detects and indicates electric current by producing a deflection in response to current through its coil.
44
Which instrument helps in the detection of the heartbeat?
RRB NTPC (Graduate level) Stage-II / RRB Group D
2025 / 2022
✓ Answer:AStethoscope
A stethoscope amplifies and transmits heart sounds, allowing a physician to detect the heartbeat.
45
Ammeter is —
RRB JE
2014
✓ Answer:DAll of the above
An ammeter is connected in series and designed with very low resistance so that it causes minimal disturbance and power loss in the circuit.
46
Which of the following is used to detect current in a circuit?
RRB NTPC
2016
✓ Answer:AGalvanometer
A galvanometer is a sensitive instrument used to detect and indicate small electric currents.
47
Which of the following instruments is used to measure blood pressure?
RRB Group D
2022
✓ Answer:CSphygmomanometer
A sphygmomanometer measures systolic and diastolic blood pressure using an inflatable cuff and pressure measurement system.
48
What does stalagmometer used to measure?
RRB SSE
2014
✓ Answer:BSurface tension
A stalagmometer measures surface tension using the formation and counting of liquid drops.
49
Which is used for measuring speed of motor-
RRB Group D
2018
✓ Answer:ASpeedometer
A speedometer measures the travelling speed of a vehicle or motor.
50
Name the instrument used by the physicians to measure blood pressure.
RRB Group D
2022
✓ Answer:BSphygmomanometer
A sphygmomanometer is the standard instrument used to measure blood pressure.
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