NCERT · Class 11 · Physics · Units and MeasurementsDimensional formula for Planck's constant is:
Step-by-Step Solution
Energy E = h * nu, so h = E / nu. Dimensional formula of energy is [ML^2T^-2] and frequency is [T^-1]. Thus, [ML^2T^-1].
Detailed Options Breakdown
Option : [MLT^-1]
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Units and Measurements.
Option 1: [ML^2T^-1] (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: [ML^2T^-2]
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Units and Measurements.
Option 3: [ML^-1T^-2]
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Units and Measurements.
💡 Study Guide: This question tests core syllabus concepts from Units and Measurements. For formulas, key summaries, and mock exam reference guides, read the full Units and Measurements Revision Notes.