Question 13 Marks
A tennis ball is diameter 7.0 cm. What is its volume in (a) cm3 (b) m3 ?
Answer
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Question 23 Marks
A cylindrical glass is 15 cm long. Its diameter is 7.0 cm. What volume of milk can be poured in it without spilling ?
Answer
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Question 33 Marks
By using a measuring cylinder, a fine cotton thread and water, explain how will you find volume of an irregular piece of stone.
Answer
View full question & answer→By using a measuring cylinder, a fine cotton thread and water, we can find volume of an irregular piece of stone
Process: Place a measuring cylinder on a table and fill it partially with water. Note the reading of the water level carefully. Now tie the piece of brass with a thread and dip it completely into water. We will see that the level of water rises. Note the reading of the new water level. The difference in the two levels of water gives the volume of the piece of brass.
Process: Place a measuring cylinder on a table and fill it partially with water. Note the reading of the water level carefully. Now tie the piece of brass with a thread and dip it completely into water. We will see that the level of water rises. Note the reading of the new water level. The difference in the two levels of water gives the volume of the piece of brass.
Question 43 Marks
You can measure the diameter of a sphere or a cylinder by using two wooden blocks and a 15 cm scale. Explain how can you measure the volume of
(a) a wooden cylinder
(b) a tennis ball
(a) a wooden cylinder
(b) a tennis ball
Answer
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