Same chapter3 marksDifficulty: Medium
State two limitations of dimensional analysis.
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3 marksDifficulty: Medium
The length of a rod is measured as 3.50 cm and its breadth as 2.1 cm. Give the area to the correct number of significant figures.
Original Khojo Papers practice question — not from a past board paper.
Answer
7.4 cm2
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
The product is 7.35 cm2, but the answer can carry only as many significant figures as the least precise factor, which has two.
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