Tuesday, February 18, 2020
A quantity y is to be determined from the equation shown. The percentage uncertainties in p, x and q are shown.
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Question 23 A quantity y is to be determined from the equation shown. y = px / q 2 The percentage uncertainties in p , x and q a...
Saturday, February 15, 2020
A spring of unextended length 0.50 m is stretched by a force of 2.0 N to a new length of 0.90 m.
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Question 15 A spring of unextended length 0.50 m is stretched by a force of 2.0 N to a new length of 0.90 m. The variation of its le...
Wednesday, February 12, 2020
A small volume of solution containing the radioactive isotope sodium-24 (2411Na) has an initial activity of 3.8 × 104 Bq.
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Question 16 (a) (i) Define radioactive decay constant . [2] (ii) Show that the decay constant λ is related to the half-life t 1/2...
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