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Flash Cards: Power Play

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Power Play - Flash Cards

These flash cards cover important concepts from Power Play in Ganita Prakash Part I for Class 8 (Mathematics).
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1/20

What happens to the thickness of paper when folded?

1/20

The thickness of the paper doubles with each fold.

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2/20

What is the initial thickness of a standard sheet of paper?

2/20

The initial thickness of the paper is 0.001 cm.

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3/20

How thick is paper after 10 folds?

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3/20

After 10 folds, the thickness is 1.024 cm.

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4/20

What is the thickness after 30 folds?

4/20

After 30 folds, the thickness is approximately 10.7 km.

5/20

How many times can a sheet of paper typically be folded?

5/20

A sheet of paper can typically be folded a maximum of 7 times.

6/20

How does the thickness change from 0 to 10 folds?

6/20

The thickness increases by a factor of 1024 from 0 to 10 folds.

7/20

What is exponential growth?

7/20

Exponential growth occurs when a quantity increases at a rate proportional to its current value, like the thickness of folded paper.

8/20

What is the formula for thickness after n folds?

8/20

The thickness can be expressed as 0.001 cm × 2^n, where n is the number of folds.

9/20

How much does thickness increase after 3 folds?

9/20

After 3 folds, the thickness increases by 8 times (2^3).

10/20

What is the thickness after 20 folds?

10/20

After 20 folds, the thickness is approximately 10.4 m.

11/20

How thick is the paper after 17 folds?

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After 17 folds, the thickness is approximately 131 cm.

12/20

How thick is the paper after 14 folds?

12/20

After 14 folds, the thickness is 16.384 cm.

13/20

What happens after 46 folds?

13/20

The thickness exceeds 700,000 km after 46 folds.

14/20

What is the relationship between folds and thickness?

14/20

The relationship is multiplicative; thickness doubles with each additional fold.

15/20

Provide a comparison between 30 and 40 folds.

15/20

Thickness increases from approximately 10.7 km at 30 folds to 10,995 km at 40 folds.

16/20

What key concept does the folding paper experiment exemplify?

16/20

It exemplifies the concept of exponential growth.

17/20

Why can’t paper be folded indefinitely?

17/20

Physical limitations and the thickness of the paper constrain the number of folds.

18/20

What is the significance of doubling in this context?

18/20

Doubling is the basis for determining the thickness after each fold.

19/20

Calculate the thickness of paper after 26 folds.

19/20

After 26 folds, the thickness is approximately 670 m.

20/20

What is a practical limit to consider when folding paper?

20/20

A practical limit is reached due to the decreasing size of the resulting folds.