i)
M - Sensitized card
N - Cylindrical glass lens
ii)
- The glass sphere focusses the sun’s rays on a sensitized card which is graduated in hours and minutes.
-The heat burns the paper/card as the sun moves across the sky.
- The unburnt sections in the card indicates when there was cloud cover.
- At the end of the day, the card is removed and the number of hours that the sun shined are obtained by adding the burnt sections on the card.
marto answered the question on September 26, 2019 at 07:57
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(a) (i) What is the latitudinal and longitudinal extent of Taita...(Solved)
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a)State three physical condition that favour coffee growing in the central highlands of Kenya.
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c)...(Solved)
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(b)
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Date posted: September 11, 2019. Answers (1)