Question

33. What are the wavelength and the energy of light that has a frequency of 1.50x10^15 s^-1'? ​

Answer 1

Answer:

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Explanation:

N a group of students, 50% liked tea, 70% liked coffee,10% do not liked both and 120 students liked both thedrinks. by using a venn-diagram, find the total number ofstudents