MCQPhysics

CBSE · 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.
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