STANDARDPhysics-Units and Measurements
STANDARD Physics Conversion of Units MCQ Question
Type: MCQ-conceptual-Easy-Class 11
The ratio of one micron to one nanometre is
A
10³
B
10⁻³
C
10⁻⁶
D
10⁻⁹
Correct Answer
Option A
Detailed Explanation
1 micron (1 μm) = 10⁻⁶ m and 1 nanometre (1 nm) = 10⁻⁹ m. Their ratio is (10⁻⁶ m)/(10⁻⁹ m) = 10³.
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