A candle is placed at a fixed distance D from a screen. A converging lens can be put between the screen and the candle, at a variable distance x from the candle. Assume a sharp image occurs on the screen. (A) If the magnification is 2, what is x? (B) If the magnification is 1/2, what is x? (C) What is the focal length of the lens? HINT: Draw ray diagrams. D = 87 cm. larification: the absolute value of the magnification is either 2 or 1/2.]

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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**Problem Statement:**

A candle is placed at a fixed distance \(D\) from a screen. A converging lens can be placed between the screen and the candle at a variable distance \(x\) from the candle. Assume a sharp image occurs on the screen.

**Questions:**

(A) If the magnification is 2, what is \(x\)?

(B) If the magnification is \(1/2\), what is \(x\)?

(C) What is the focal length of the lens? Hint: Draw ray diagrams.

\[
D = 87 \text{ cm.}
\]

**Clarification:** The *absolute value* of the magnification is either 2 or 1/2.
Transcribed Image Text:**Problem Statement:** A candle is placed at a fixed distance \(D\) from a screen. A converging lens can be placed between the screen and the candle at a variable distance \(x\) from the candle. Assume a sharp image occurs on the screen. **Questions:** (A) If the magnification is 2, what is \(x\)? (B) If the magnification is \(1/2\), what is \(x\)? (C) What is the focal length of the lens? Hint: Draw ray diagrams. \[ D = 87 \text{ cm.} \] **Clarification:** The *absolute value* of the magnification is either 2 or 1/2.
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