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Exercise on calculating drawing magnification

Multi-choice

Question

Q1. A student made a transverse section of a banana as shown below, and drew the diagram on the right.

If the actual diameter of the section of the banana was 3.2cm, calculate the magnification of the drawing.

Hint

Use drawing magnification formula

Answers

x1

x1.375

x3.75

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Question

Q2.  If magnification of a drawing is x 5 and the drawing length is 7.5 cm.

What is the actual length of the object?

Hint

formular

                      

  

                          

Answers

1cm

1.5cm

2cm

2.5cm

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Question

Q3. When a student drew a specimen of an elephant   whose actual body length is 6metres, it only measured 4 cm. what was the magnification of the students drawing?

Hint

use formula in Q1

use consistent units

1m = 1000 cm

Answers

x 0.00067

x0.0067

x0.067

x0.67

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Question

Q4. What would be the drawing length of a specimen whose actual length is 10cm and the magnification is 0.5.

Answers

2 cm

4cm

5cm

50cm

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