find the light speed where the frequency of light is 6 into 10 to the power 18 metre per second wavelength is 2 into 10 to the power minus 10 metre per second
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Explanation:
SPEED = WAVELENGTH × FREQUENCY
SPEED= 2 × 10^-10 × 6 × 10^18
= 12 × 10^8
=1.2 × 10^9
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