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How many waves each 500 nanometers long would fit along a 2 centimeter line?
Wiki User
∙ 7y ago
20 nm = 500 × 10^-9 m
2 cm = 2 × 10^-2 cm
→ 2 cm ÷ 500 nm = (2×10^-2 m) ÷ (500 × 10^-9 m)
= (2÷500) × 10^(-2 - -9)
= 0.004 × 10^7 = 4 × 10^4
= 40,000
Wiki User
∙ 7y ago
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