A narrow beam of white light can be split up into different colours by a glass prism. The correct explanation is that
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2018
Cathode rays are
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2018
Which of the following best describes the energy changes which take place when a steam engine drives a generator which lights a lamp?
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2018
What is the resultant resistance of the circuit in the image shown?
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2018
Which of the following does NOT describe the Image formed by a plane minor?
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2018
Which of the following is true of an electrical charge?
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2018
Natural radioactivity consists of the emission of
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2018
The density of 400cm3 of palm oil was 0.9gcm-3 before frying. If the density of the oil was 0.6gcm-3 after frying, assuming no loss of oil due to spilling, its new volume was?
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2018
A man walks 1km due east and then 1 km due north. His displacement is