Determine the coefficient of linear expansion if the length of metal change from 10- 10.02 m and the temperature is increase 30-80 K 4 x 10^-4 oC-1O 5 х 10^-4 оС-1 О 10 x 10^-4 oC-1 O What is the frequency of light waves if their wavelength is * ? 0.60 micro-m 5.0X10^14 Hz O 3..0X10^14HZ O 7.0X10^14HZ O
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