JEE Advanced 2025 Physics question
Length, breadth and thickness of a strip having a uniform cross section are measured to be 10.5 cm, 0.05 mm, and 6.0 µm, respectively. Which of the following option(s) give(s) the volume of the strip in cm³ with correct significant figures:
Answer: (D)
Solution
V = 10.5 cm × 0.005 cm × 0.00060 cm = cm³. The measurements have 3, 1 and 2 significant figures; a product keeps
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