Physics · Units and Measurements
Which of the following statements is correct with respect to dimensional analysis?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Refractive index has dimensions because it involves the speed of light.
- 2Trigonometric and logarithmic functions are valid only when applied to quantities that are dimensionless.✓
- 3Dimensional analysis can verify both the magnitude and the physical validity of an equation.
- 4An equation that is dimensionally consistent is always physically correct.
Correct answer
Trigonometric and logarithmic functions are valid only when applied to quantities that are dimensionless.
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