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Which one of these is most accurate and which the most precise and alsoqlso why? ?? 1: 40m 2: 0.040m 3: 0.04m 4: 0.4m


4 months ago

Arun
24737 Points
													Length			(l)						Least Count 			(Δl)						Relative Error 			(Δl/l)										(i) 			 4.00 mm									0.01mm			  						2.5× 10-3										(ii) 			4.00 cm									0.01 cm									2.5×10−3										(iii) 			4.00 m									0.01 m									2.5×10−3										(iv) 			 40.00 m									0.01m									2.5×10−4						Since the relative error in the measurement of 40.00 m is minimum, so this measurement is most accurate. The measurement 4.00 mm is most precise because it is measured with an instrument of minimum least count.

4 months ago
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### Course Features

• 18 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions