Physics 2011 WAEC Past Questions

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The change in mass of fuel during a nuclear reaction is 2.0 x 10^-27 kg. Calculate the amount of energy released. (Speed of light = 2.0 x 10⁸ms^-1)

A. 1.8 x 10^-10J
B. 9.0 x 10^-11J
C. 6.0 x 10^-19J
D. 1.2 x 10^-45J

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Nuclear fusion is not used as a source of enegy because

A. very high temperature is needed for the reaction
B. the fuel for the reaction is not easy to obtain
C. less energy is released
D. the reaction is too slow

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Using the circuit diagram above. Calculate the total charge in the circuit

A. 80\(\mu C\)
B. 35\(\mu C\)
C. 20\(\mu C\)
D. 16\(\mu C\)

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Using the circuit diagram above. Calculate the potential difference across the capacitors in parallel

A. 10.0V
B. 8.0V
C. 6.7V
D. 2.0V

View Answer & Discuss (6) WAEC 2011

A stone projected horizontally from the top of a tower with a speed of 4 ms\(^{-1}\) lands on the level ground at a horizontal distance of 25 m from the foot of the tower. Calculate the height of the tower. = 10 ms\(^{-2}\)]

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Physics 2011 WAEC Past Questions

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