The Escape Velocity at the Event Horizon Around a Black

question 10

Multiple Choice

The escape velocity at the event horizon around a black hole is

• A)smaller than the speed of light.
• B)equal to the speed of light.
• C)much larger than the speed of light.
• D)irrelevant since nothing (including light) can escape from a black hole.

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Definitions:

Price Index

A price index measures the average change in prices of a basket of goods and services over time, indicating inflation or deflation trends.

Inflation Rate

Measures the rate at which the general level of prices for goods and services is rising, and, subsequently, purchasing power is falling.

Nominal Interest Rate

The rate of interest before adjustments for inflation, as quoted by banks and financial institutions.

Real Interest Rate

An interest rate fine-tuned for inflation effects, illustrating the actual charge of borrowing or the factual yield from savings deposits.