Physical Quantities & Measurement
भौतिक परिमाणहरू र नाप
Precision, significant figures, dimensional analysis, principle of homogeneity, limitation of dimensional methods.
Master scalar and vector quantities, parallelogram and triangle law of vector addition, resolution into rectangular components, dot and cross products with derivations and solved board numericals.
Textbook Exercises & Solutions
Showing 2 of 2 Solved QuestionsHigh-Yield Exam Focus Questions (1)
High-probability exam questions curated specifically for Physical Quantities & Measurement.
Exam Rationale: Directly addresses CDC Specification Grid LO 1.1: Vector addition laws and conditions for maximum, minimum, and orthogonal resultants.
Quick Revision Takeaways
Common Exam Pitfalls to Avoid
⚠️ Common Error: Assuming cross product is commutative: writing A x B = B x A.
✓ Correct Approach: A x B = - (B x A). Cross product is anticommutative because reversing order reverses the right-hand thumb direction.
Why: Direction flips 180 degrees according to the right-hand grip rule.
Government of Nepal, Ministry of Education, Science and Technology
Unit 1 Mechanics: Vectors learning objectives.