Examlex
In a slide projector,the slide is illuminated;and light passing through the slide then passes through a converging lens of focal length 0.10 m.If a screen is placed 5.0 m from the lens,a sharp image is observed.How far is the slide from the lens?
Volatility
A statistical measure of the dispersion of returns for a given security or market index, often used to gauge the risk involved in investing in that security or market.
Average Rate
is the mean interest rate in a range of rates, or the mean return of a portfolio of assets calculated over a specific period of time.
Semi-strong Form Efficiency
A concept in finance that suggests all public information is already accounted for in stock prices, thus making it impossible to consistently achieve higher returns through analysis of publicly available information.
Price-earnings Ratio
A valuation metric for a company calculated by dividing its current share price by its earnings per share, indicating the dollar amount investors are willing to pay per dollar of earnings.
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