Physics Units, Dimensions and Measurement Units Single Correct MCQ
Published on: September 12, 2026

'Torr' is the unit of

A
Pressure
B
Volume
C
Density
D
Flux

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Text Solution

Verified by Experts
The correct answer is:
A
Step 1: Understand the definition of 'Torr'.
The Torr is a unit of pressure that is defined as 1/760 of an atmosphere (atm).
Step 2: Familiarize with the relationship between Torr and other pressure units.
1 Torr = 133.322 Pa (Pascals) or 1 Torr = 1 mmHg (millimeter of mercury).
Step 3: Eliminate other options:
- Option B (Volume): Units for volume are typically liters or cubic meters.
- Option C (Density): Units for density include kg/m³ or g/cm³.
- Option D (Flux): Units for flux vary significantly with context but don't include Torr.
Therefore, the correct answer is Pressure.

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