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QJEEAdv03Phe9a6: JEE Advanced 2003 Physics - Class 11 JEEAdv03Phe9a6 Solution: A cube has a side of length 1.2 ✕ 10 -2 m. Calculate its volume.
A cube has a side of length 1.2 ✕ 10-2 m. Calculate its volume.
Multiple Choice Options
- A 1.7 ✕ 10-6 m3
- B 1.73 ✕ 10-6 m3
- C 1.70 ✕ 10-6 m3
- D 1.732 ✕ 10-6 m3
Step-by-Step Verified Solution
We have
V = l3 = (1.2 10 2)3 = 1.728 10 6 m3
Since l has two significant figures, V should also have two significant figures; hence,
V = 1.7 10 6 m3
Answer (A)
V = l3 = (1.2 10 2)3 = 1.728 10 6 m3
Since l has two significant figures, V should also have two significant figures; hence,
V = 1.7 10 6 m3
Answer (A)