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In a thin lens, if the object distance is 15 cm and the image distance is 10 cm,
In a thin lens, if the object distance is 15 cm and the image distance is 10 cm, what is the magnification?
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Practice Questions
1 question
Q1
In a thin lens, if the object distance is 15 cm and the image distance is 10 cm, what is the magnification?
0.67
1.5
1
2
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Magnification (m) is given by m = -v/u. Here, m = -10/15 = -2/3, which means the magnification is 1.5 in absolute value.
Questions & Step-by-step Solutions
1 item
Q
Q: In a thin lens, if the object distance is 15 cm and the image distance is 10 cm, what is the magnification?
Solution:
Magnification (m) is given by m = -v/u. Here, m = -10/15 = -2/3, which means the magnification is 1.5 in absolute value.
Steps: 5
Show Steps
Step 1: Identify the object distance (u) and the image distance (v). Here, u = 15 cm and v = 10 cm.
Step 2: Use the magnification formula, which is m = -v/u.
Step 3: Substitute the values into the formula: m = -10/15.
Step 4: Simplify the fraction: -10/15 can be reduced to -2/3.
Step 5: The absolute value of magnification is |m| = 2/3, which is approximately 0.67.
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