MP Board · Class 9 · Science · GravitationWhat is the value of the universal gravitational constant ($G$)?
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Total Attempts: 4
Accuracy Rate: 75%
Step-by-Step Solution
The universal gravitational constant $G$ has a value of $6.673 \times 10^{-11} \text{ N m}^2/\text{kg}^2$. This value was first accurately calculated by Henry Cavendish using a torsion balance.
Detailed Options Breakdown
Option : 9.8 m/s²
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Gravitation.
Option 1: 6.673 × 10⁻¹¹ N m²/kg² (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: 6.673 × 10⁻¹¹ N kg²/m²
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Gravitation.
Option 3: 8.9 × 10⁻¹² N m²/kg²
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Gravitation.
💡 Study Guide: This question tests core syllabus concepts from Gravitation. For formulas, key summaries, and mock exam reference guides, read the full Gravitation Revision Notes.