what are the significance of conventional signs and symbol
Answers
Answer:
1. The object is always placed on the left side of the lens.
2. All the distance are measured from the optical centre of the lens.
3. The distance measured in the same direction as that of incident light taken as positive.
4. The distance measured against the incident light is taken as negative.
5. The distance measured upwards and perpendicular to the principal axis is taken as positive.
6. The distance measured downwards and perpendicular to the principal axis is taken as negative.
Explanation:
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Answer:
Conventional symbols are widely accepted signs or sign systems which signify an idea or concept. They represent different features on a map and are not drawn to scale. They are important because: Symbols can be used to depict features like cities, roads and railways.
Explanation:
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