Properties of Solids & Liquids-Boyle's Law & Applications (AIIMS Physics): Questions 5 - 8 of 8

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Question number: 5

» Properties of Solids & Liquids » Boyle's Law & Applications

Appeared in Year: 2006

Assertion-Reason▾

Assertion (Ꭺ)

A thin stainless steel needle can lay floating on a still water surface.

Reason (Ꭱ)

Any object floats when the buoyancy force balances the weight of the object.

Choices

Choice (4) Response

a.

Ꭺ is false but Ꭱ is true

b.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

c.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

d.

Both Ꭺ and Ꭱ are false

Question number: 6

» Properties of Solids & Liquids » Boyle's Law & Applications

Appeared in Year: 1995

Assertion-Reason▾

Assertion (Ꭺ)

A needle placed carefully on the surface of water may float where a ball of the same material will always sink.

Reason (Ꭱ)

The buoyancy of an object depends both on the material and shape of the object.

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

b.

Ꭺ is false but Ꭱ is true

c.

Ꭺ is true but Ꭱ is false

d.

Both Ꭺ and Ꭱ are false

Question number: 7

» Properties of Solids & Liquids » Boyle's Law & Applications

MCQ▾

Question

When a large bubble rises from the bottom of a lake to the surface, its radius is four times to its original radius. If atmospheric pressure is equal to that of column of water height H, then the depth of lake is:

Choices

Choice (4) Response

a.

15H

b.

6H

c.

H

d.

12H

Question number: 8

» Properties of Solids & Liquids » Boyle's Law & Applications

MCQ▾

Question

A uniform cylinder of density σ=5gcm3 and length L floats vertically completely immersed in two liquids with length L1 immersed in a liquid of density ρ1=1gcm3 and remaining length L2 immersed in the other liquid of density ρ2=2gcm3 as shown in figure. The ratio L1L2 will be equal to –

A uniform cylinder immersed in two liquids

A Uniform Cylinder Immersed in Two Liquids

In figure a uniform cylinder vertically completely immersed in two liquids is shown. L1 is the height of the cylinder in liquid 1 and L2 is the height of the cylinder in liquid 2.

Choices

Choice (4) Response

a.

34

b.

43

c.

14

d.

15

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