Examlex
An object is located 3 cm in front of a converging lens of focal length 2 cm.A diverging lens of -6 cm focal length is placed 3 cm on the other side of the converging lens.What is the final image distance with respect to the diverging lens?
Excludability
The characteristic of a private good, for which the seller can keep nonbuyers from obtaining the good.
Private Good
A good, or service that is individually consumed and that can be profitably provided by privately owned firms because they can exclude nonpayers from receiving the benefits.
Quantity Demanded
The quantity of a product or service that buyers are prepared and financially able to buy at a certain price.
Efficiency Loss
The loss of economic efficiency that can occur when equilibrium for a good or service is not achieved, leading to potential welfare or opportunity costs.
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