Concept explainers
Reproduced below is a side view diagram of the situation described in section II of the tutorial.
Determine an expression for the lateral magnification,
To calculate:.
The expression for the lateral magnification
Answer to Problem 1TH
The expression for the lateral magnification is
Explanation of Solution
Given:
An object is placed before a thin lens as follows :
Formula used :
In similar triangles ABC and DEF , corresponding sides are in equal proportions or,
AB / BC = DE / EF
AB / AC = DE /DF
Calculation:
Ray diagram showing the principal ray from the tip of pencil that is object, is given below;
In the above diagram, two triangles given that are
are similar.
So that,
Here,
And,
Therefore,
Hence, lateral magnification is given below;
Conclusion:
Therefore, the lateral magnification,
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