Practice Unit, Measurement & Measuring Instruments 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 topic-wise Physics question set covers important concepts related to units, measurement, physical quantities and measuring instruments, helping you revise essential concepts and understand the types of questions asked in RRB examinations.
Each question includes the correct answer and an explanation to help you understand the concept, strengthen your Physics fundamentals, and revise important topics for RRB Railway examinations.
21
What is the unit of measurement of frequency?
RRB NTPC (Graduate level)
2025
22
Which of the following units is used to measure only fundamental quantities?
RRB NTPC (Graduate level); RRB ALP (Stage-II)
2025; 2025
23
Which of the following is not an SI unit?
RRB ALP (Stage-II)
2025
24
What is the SI unit of solid angle?
RRB NTPC (Graduate level) (Stage-II); RRB ALP (Stage-II)
2025; 2025
25
Which fundamental SI unit is derived directly from the definition of Ampere?
RRB Technicians Grade-I
2024
26
Henry per meter is the unit of
RRB ALP (Stage-II)
2019
27
What is the unit of angular momentum in the SI system of units?
RRB Technicians Grade-I
2024
28
A light-year is a unit of
RRB NTPC
2021
29
What is equivalent to 1 bar in unit of pressure?
RRB Technicians Grade-I
2024
30
Light-year is the unit of
RRB JE
2014
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