Question

6. If your teacher tells you to measure the length of your physics book with a ruler where the 0 cm mark was
worn out, then how can you measure the correct length of the book? Write in 3 steps.​

Answer 1

1. Start measuring the book from the initial mark of the scale( say 1cm).

2. Record the final mark of the scale at the end of the book.

3. Subtract initial mark from final mark. This is the measure of the physics book

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