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A proton is in a one-dimensional box of length 2 10-15 m.Find the wavelength of the photon emitted for a transition between the first excited state and the ground-state.
Goods and Services
Products and actions that fulfill human wants or needs, with goods being tangible items and services being intangible services.
Market System
A market system is an economic system where prices and the distribution of goods and services are determined by supply and demand in a competitive market.
Goods and Services
The physical items (goods) and actions or activities (services) that people produce and consume to satisfy their needs and wants.
Willing and Able
Refers to a consumer's readiness and capacity to purchase goods or services at a given price level.
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