Physical World and Units Measurements Questions for AGNIVEER VAYU

Free, AI-curated practice for the Physical World and Units Measurements section of AGNIVEER VAYU. We have 18+ verified questions in this bank. Below: 5 sample questions. Sign up free to unlock unlimited practice + AI explanations + per-topic analytics.

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Sample questions

Q1 · medium · AI-verified

The number of significant figures in 0.006040 is:

Q2 · hard · AI-verified

The dimensional formula for the coefficient of viscosity (η) is:

[ML²T⁻¹]
[ML⁻¹T⁻²]
[MLT⁻²]
[ML⁻¹T⁻¹]

Q3 · medium · AI-verified

The least count of a screw gauge is 0.01 mm. What is the diameter of a wire if the main scale reading is 1.5 mm and the circular scale reading is 25?

2.00 mm
1.25 mm
1.525 mm
1.75 mm

Q4 · easy · AI-verified

Which instrument is used to measure very small lengths of the order of 10⁻¹⁰ m, such as the size of an atom?

Screw gauge
Electron microscope
Optical microscope
Vernier caliper

Q5 · easy · AI-verified

Which of the following is a fundamental (base) quantity in the SI system?

Pressure
Luminous intensity
Velocity
Force

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Physical World and Units Measurements Questions for AGNIVEER VAYU

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