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.
11
According to the SI system of units, how many fundamental units are used to measure physical quantities?
RRB ALP (Stage-II)
2025
12
Which of the following is the SI unit of temperature?
RRB Group D; RRB RPF Constable
2018; 2025
13
Which of the following is the unit used to measure the amount of work done on a body?
RRB ALP (Stage-I); RRB Technicians Grade-III
2024; 2024
14
What are the SI units of mass and weight of a body respectively?
RRB Technicians Grade-III
2024
15
Which of the following is a unit of pressure?
RRB Technicians Grade-III; RRB NTPC
2024; 2024; 2021
16
What is the value and unit of one roentgen (R), expressed in SI unit?
RRB Minis. & Iso., Category (Librarian); RRB NTPC (10+2 level) (Stage-1)
RRB Minis. & Iso., Category (Librarian); RRB NTPC (10+2 level) (Stage-1)
2025; 2025
17
The unit of work is the same as that of.
RRB Technicians Grade-III; RRB ALP Tech.; RRB Group D
2024; 2018; 2018; 2018
18
The unit 'foot' belongs to which of the following systems of units?
RRB RPF Constable; RRB ALP (Stage-II)
2025; 2025
19
The unit of magnetization is.
RRB RPF Constable
2025
20
Which of the following is the SI unit of sound intensity?
RRB NTPC (Graduate level)
2025
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