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Show that a pulsed spherical wave has a complex wavefunction of the form U(r,t) = (1/r)a(t-r/c) where a(t) is an arbitrary function. An ultrashort optical pulse has a complex wavefunction with a central frequency corresponding to a wavelength λ0 = 585nm and a Gaussian envelope of rms width σ1 = 6fs. How many cycles are contained within the pulse width? If the pulse propagates in free space as a spherical wave initiated at the origin at t = 0, describe the spatial distribution of the intensity as a function of the radial distance at time t = 1ps.
Change in demand: change in quantity demanded occurs when the consumption of a commodity increases or decreases as a result a change in the price of the commodity, when all ot
Explain externality, how can government intervene to achieve allocative efficiency in case of external cost or external benefit? Answer The term externalities refers to bot
the prevalence of excess capacity is the direct consequence of the existence of monopolistic competition
Consider an economy, in which technological capabilities become obsolete. Use the Solow-Swan model and the knowledge spillover model to explain how its productivity growth rate dep
Uses of national income statistics: - It helps to organize economic data and activities. - It helps to classify economic activities into various segments or sectors. - It he
Defined Benefit Pensions: A pension plan that pays a specified monetary benefit, generally based on a pensioner's years of service and their income at the time of retirement.
what is the use of models in economics?
show this in a pie chart age = under 20|number of people = 20.90
Health and Life Expectancy: In addition to struggling on low income, many people in the developing nations fight a constant battle against malnutrition, disease and ill healt
What is Hybridization? Atomic orbitals can be combined, in a process called hybridization in chemistry , to describe the bonding in polyatomic molecules. Descriptions of the b
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