What is the magnification produced by a lens if the object distance is 25 cm and

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Question: What is the magnification produced by a lens if the object distance is 25 cm and the image distance is 50 cm?

Options:

Correct Answer: 2

Solution:

Magnification (m) = -v/u = -50/25 = -2. The absolute value indicates the image is twice the size of the object.

What is the magnification produced by a lens if the object distance is 25 cm and the image distance is 50 cm?

What is the magnification produced by a lens if the object distance is 25 cm and the image distance is 50 cm?

Step 1: Identify the object distance (u) and the image distance (v). Here, u = 25 cm and v = 50 cm.
Step 2: Use the magnification formula, which is m = -v/u.
Step 3: Substitute the values into the formula: m = -50/25.
Step 4: Calculate the magnification: -50 divided by 25 equals -2.
Step 5: The negative sign indicates the image is inverted. The absolute value of -2 means the image is twice the size of the object.

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