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KEAM SERIES
Physics

Accuracy Precision Of Instruments And Errors In Measurement

10 previous year questions.

Volume: 10 Ques
Yield: Medium

High-Yield Trend

9
2024
1
2021

Chapter Questions
10 MCQs

01
PYQ 2021
medium
physics ID: keam-202
If the percentage errors in the measurements of mass, length and time are 1%, 2% and 3% respectively, then the maximum permissible error in the measurement of the acceleration of a particle is
1
8%
2
9%
3
6%
4
10%
5
2%
02
PYQ 2024
easy
physics ID: keam-202
The energy required by the electron to cross the forbidden band for Germanium is:
1
0.72 eV
2
1.1 eV
3
0.5 eV
4
1.5 eV
5
0.65 eV
03
PYQ 2024
medium
physics ID: keam-202
In a radioactive decay, the fraction of the number of atoms left undecayed after time is:
1

2

3

4

5
04
PYQ 2024
medium
physics ID: keam-202
The time period of revolution of a planet around the sun in an elliptical orbit of semi-major axis is . Then:
1

2

3

4

5
05
PYQ 2024
medium
physics ID: keam-202
A particle of mass 40 g executes simple harmonic motion with an amplitude of 2.0 cm. If the time period of oscillation is s, the total mechanical energy of the system is:
1
128 J
2
128 mJ
3
12.8 mJ
4
256 mJ
5
2.56 mJ
06
PYQ 2024
medium
physics ID: keam-202
If a body at rest undergoes one dimensional motion with constant acceleration, then the power delivered to it at a time is proportional to:
1

2

3

4

5

07
PYQ 2024
medium
physics ID: keam-202
For the flow of incompressible liquid through a pipe, the Venturi-meter is used to measure the:
1
Pressure of liquid
2
Volume of flow
3
Speed of flow
4
Temperature of liquid
5
Mass of liquid flown
08
PYQ 2024
easy
physics ID: keam-202
If a body is taken above the surface of the Earth, it loses its weight by 20% at a height of , where is the radius of the Earth, then:
1

2

3

4

5

09
PYQ 2024
medium
physics ID: keam-202
If a ray of light passes through a medium, its frequency and wavelength are Hz and 450 nm respectively. Then the refractive index of the medium is:
1
1.67
2
1.5
3
1.414
4
1.33
5
1.2
10
PYQ 2024
easy
physics ID: keam-202
If a freely falling body covers 80 m in the first 4 seconds, then in the next 4 seconds it covers a distance of:
1
160 m
2
240 m
3
320 m
4
80 m
5
100 m

About Accuracy Precision Of Instruments And Errors In Measurement - KEAM

Accuracy Precision Of Instruments And Errors In Measurement is a vital chapter for KEAM aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.

By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.

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