Units & Measurements: Conversion of Units MCQ

Solve this quality-checked NEET multiple-choice question, then review the correct answer and explanation.

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Conversion of UnitsMediumQuestion 5021

Question

The value of G = 6.67 × 10⁻¹¹ N m² kg⁻². Its value in CGS units (dyne cm² g⁻²) is:

A
6.67 × 10⁻⁸
Correct
B
6.67 × 10⁻⁶
C
6.67 × 10⁻¹¹
D
6.67 × 10⁻⁴

Correct answer

6.67 × 10⁻⁸

Explanation

G has dimensions [M⁻¹L³T⁻²]. Converting: 1 N = 10⁵ dyne, 1 m² = 10⁴ cm², 1 kg² = 10⁶ g². G(CGS) = 6.67×10⁻¹¹ × 10⁵ × 10⁴ / 10⁶ = 6.67 × 10⁻⁸ dyne cm² g⁻².

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