step 1 The center of reflecting surface, the center of reflecting surface is called pole. The center of

Question

Define pole.

Name: Problem 48, Chapter 4: Physics Class 7
Uploaded: 2021-06-22T11:06:54-08:00
Duration: 1 min 2 s
Channel: Narayan Hari
Description: Define pole.

   Define pole.

Physics Class 7

Trishna Knowledge… 2012 Edition

Chapter 4, Problem 48

Instant Answer

Solved by Expert Narayan Hari

06/22/2021

Step 1

A reflecting surface is a surface that has the ability to reflect light back to its source. Examples of reflecting surfaces include mirrors, shiny metals, and water surfaces. Show more…

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Key Concepts

Pole (in Complex Analysis)

A pole is a type of isolated singularity of a complex function where the function behaves like a finite-order rational function near that singularity. More specifically, if a function f(z) can be expressed in the form g(z)/(z - a)^n in the vicinity of a point a, with g(z) analytic and nonzero at a, then a is called a pole of order n.

Order of a Pole

The order of a pole is the smallest positive integer n for which the limit of (z - a)^n f(z), as z approaches a, exists and is finite and nonzero. It indicates the degree of the function's divergence at the pole.

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