Question

20 cm cloth is used to prepare a doll's frock, How many frocks will be prepared with 10 metres cloth?​

Answer 1

Answer:-

20

Step by Step explanation:--

1 cm = 1 ÷ 10= 10 metre

10 cm = 10÷10= 1 metre

cloth is used to prepare a doll frock = 20

20×1= 20

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Answer 2

b. Which electromagnetic radiation is used to study the crystal structure?

X-rays are used for studying crystals structure of solids.

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