Examlex
A convex lens has focal length f.If an object is located at "infinity" (very far away) ,the image formed is located at a distance from the lens
Mentor
An experienced and trusted advisor who guides and supports a less experienced person, often in their career or personal development.
Overimitation
The tendency of children to imitate not just the necessary actions but also the unnecessary actions when learning from adults or peers.
Adult Actions
Behaviors or decisions made by adults, often with a focus on responsibility, maturity, or the consequences affecting themselves or others.
Time-consuming
Activities or processes that require a considerable or excessive amount of time to complete.
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