Question

6. A heliograph measures the intensity of​

Answer 1

Answer:sunlight

Explanation:Heliograph in English device for photographing the Sun; instrument which measures the intensity of sunlight; signaling device which reflects the sun's rays by means of a movable mirror; early type of photoengraving Dictionary source: Babylon English-English More: English to English translation of heliograph

Answer 2

Answer:

An apparatus for signalling by means of a moveable mirror which reflects flashes of sunlight. A heliogram. An instrument for measuring the intensity of sunlight

Explanation:

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