Magnification (OCR GCSE Physics A (Gateway Science Suite)): Quizzes

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Magnification
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8 questions from this quiz

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What type of image is created when an object is magnified?

Virtual image

Where must an object be placed for magnification to occur?

Closer to lens than principal focus

How does a magnified virtual image compare in size to the object?

Larger than the object

What is the formula for magnification?

magnification=image sizeobject sizemagnification = \frac{image\:size}{object\:size}

What are the units of magnification?

No units

What does negative magnification indicate?

Image is smaller than object

An object is 55 cm tall with magnification of 33. What is the image size?

1515 cm

An object is 22 cm tall and image is 1010 cm tall. What is the magnification?

55

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