Question

30 डेट 236 ऑफर फाइंड द रेडियस​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

Let r & R be the radius of the sphere and cylindrical vessel respectively.

Now, 2r=18cm⇒r=9cm

2R=36cm⇒R=18cm

Let the rise in water level in the cylindrical vessel be

′

h

′

cm.

Volume of sphere =

3

4

πr

3

Volume of liquid displaced in the cylindrical vessel =πR

2

h

If the sphere is completely submerged in the vessel, then volume of liquid displace in the cylindrical vessel = Volume of the sphere

∴πR

2

h=

3

4

πr

3

⇒(18)

2

×h=

3

4

×(9)

3

⇒h=

3×(18)

2

4×(9)

3

=3cm

Thus, the rise in water level in the cylindrical vessel is 3cm.

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