A sodium metal piece is illuminated with light of wavelength 0.3μm. The work function of sodium is 2.46 eV. For this situation, mark out the correct statement(s)
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Q3
Work out the following divisions.
96abc(3a−12)(5b+30)÷144(a−4)(b+6)
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Q4
Work out a positive solution of the following equation:
x2+x=6.
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Q5
Question 3(v) Work out the following divisions 96abc(3a−12)(5b−30)÷144(a−4)(b−6)