Published by:
CGP EDU Academic Team
Published on: September 12, 2026
Dyne / cm 2 is not a unit of
Text Solution
Verified by ExpertsThe correct answer is:
C
Step 1: Understand the units involved.
Dyne/cm2 is a unit commonly used to express pressure or stress in certain contexts.
Step 2: Analyze the options.
- Pressure: Pressure is defined as force per unit area, and thus is measured in units like N/m2 (Pascals) or dyne/cm2.
- Stress: Similar to pressure, stress is also defined as force per unit area and can be expressed in dyne/cm2.
- Strain: Strain is a dimensionless quantity that measures deformation relative to the original length, hence it has no units at all.
- Young's modulus: This is a ratio of stress to strain (which has dimensions of pressure), thus can be expressed in dyne/cm2 as well, given that strain is dimensionless.
Step 3: Conclude that since dyne/cm2 is related to pressure, stress, and Young's modulus, but not to strain, the correct answer is option C, Strain.
Dyne/cm2 is a unit commonly used to express pressure or stress in certain contexts.
Step 2: Analyze the options.
- Pressure: Pressure is defined as force per unit area, and thus is measured in units like N/m2 (Pascals) or dyne/cm2.
- Stress: Similar to pressure, stress is also defined as force per unit area and can be expressed in dyne/cm2.
- Strain: Strain is a dimensionless quantity that measures deformation relative to the original length, hence it has no units at all.
- Young's modulus: This is a ratio of stress to strain (which has dimensions of pressure), thus can be expressed in dyne/cm2 as well, given that strain is dimensionless.
Step 3: Conclude that since dyne/cm2 is related to pressure, stress, and Young's modulus, but not to strain, the correct answer is option C, Strain.
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