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Vernier Calipers : Measuring Small Lengths

, , Thursday
We know that a metre rule can be used to measure length correct only up to 1 mm. It means it cannot measure lengths which needs measurement like 1.1 mm or 1.2 mm etc. Pierre Vernier designed the device to measure lengths such as these. This device is known as

Concept Building : Introduction to Genetics

notes by

Prakash Nandi

, , Monday
1. How different characteristics among members of a species varies? 2. How these characteristics transmitted from one generation to the next? 3. Why offspring of same parent are not exactly same but obviously have few similarities? Such endless questions can be explained and solved by genetics. The search for answers
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