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EXPERIMENT TO DETERMINE RADIUS OF EARTH(USING 10th STD TRIGNOMETRY)TO BE CONDUCTED ON ZERO SHADOW DAYMaterials required : Ruler, Pencil,Method: Eratostenes, a Mathematician at Alexandria performed this experiment during 250BC .• Let us assume a student at GULBARGA is performing this experiment.• Find out the date of Zero shadow day for a place say Bangalore (not your Town). It is 18thAugust. Identify distance of your place from Bangalore.(GULBARGA-BANGALORE – 600Km)• Select a flat surface in your school/house/terrace.• Fix the Ruler vertically. Measure the length of the ruler. Let it be 15cm.• At 12 noon on ZERO SHADOW DAY (at Bangalore), measure the length of the shadow of theruler (in GULBARGA). Let it be 1.5cm.• Angle made by SUNs rays with the ruler at your place is |
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Answer» Yaar i am in 10th std.but i didnt do any such a problem LIKE this. i am SORRY for IRRELEVANT answer |
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