Concept explainers
The type of lens, its focal length and the type of image (real/virtual).
Answer to Problem 46P
Solution:
It is converging lens with focal length 36.82cm and image will be virtual and inverted.
Explanation of Solution
Given:
Object distance, u= -155cm
Image distance, v=48.3cm
Formula used:
Lens equation,
u and v are lens to object and lens to image distances respectively, negative when opposite to optical path and positive when in the direction of optical path.
Calculation:
Focal length of the lens can be calculated using the lens formula.
Here value of u and v are given, i.e., .
Thus substituting them in formula we get-
It is a converging lens with positive power. Image will be virtual and inverted.
Chapter 23 Solutions
Physics: Principles with Applications
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