Science, asked by nitinksharma001, 13 hours ago

Draw the shadows formed in the following cases. Explain the terms used in the diagrams An object placed in front of a point source of light. A source of light with an object smaller than the source kept in front of it. H. A source of light with an object larger than the source kept in front of it.​

Answers

Answered by XxMissInactivexX
2

Mass of boron in it = 0.096 g

Therefore % composition by weight of boron = (Mass of boron/ Total mass of compound)*100

= (0.096/0.24)*100

= 40 %

Mass of oxygen in the compound = 0.144 g

Therefore % composition by weight of oxygen = (Mass of oxygen/ Total mass of compound)*100

= (0.144/0.24)*100

= 60 %.

The compound is made up of only boron and oxygen, therefore the % composition of the componenets sum to 100% (60% + 40%)

Answered by nihasrajgone2005
6

Answer:

Mass of boron in it = 0.096 gTherefore % composition by weight of boron = (Mass of boron/ Total mass of compound)*100= (0.096/0.24)*100= 40 %Mass of oxygen ..

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Explanation:

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