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The fourth line of Balmer series has a wavelength of 410nm. Calculate it frequency? Square root of 5.10 = 1.000+x/1.000-x
I know the answer is 0.3861 I just don't know the steps to getting this answer. Please help.? The exact value of sin(cos^-1(3/5)) ?? please help? Calculate the molarity of an aqueous solution of NaOH if its pH is measured and found to be 11.00.? A committee of five is to be formed from 5 boys and 4 girls. How many different committees can be formed with at least 3 boys as members?