# Properties of Solids & Liquids-Application of Surface Tension (KVPY (Kishore Vaigyanik Protsahan Yojana) Stream SB-SX (Class 12 & 1st Year B.Sc.) Physics): Questions 1 - 3 of 3

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 268 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 200.00 or

## Question number: 1

» Properties of Solids & Liquids » Application of Surface Tension

MCQ▾

### Question

A air bubble is formed at the bottom of a lake. When the bubble rises to the surface, its radius increases 4 times. The depth of the lake at that spot is –

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 2

» Properties of Solids & Liquids » Application of Surface Tension

MCQ▾

### Question

A air bubble is formed at the bottom of a lake. When the bubble rises to the surface, its radius increases 3 times. The depth of the lake at that spot is –

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 3

» Properties of Solids & Liquids » Application of Surface Tension

MCQ▾

### Question

Two circular glass plates each of radius R = 15 cm are pressed together with a liquid film of thickness. Assuming that the liquid completely wets the glass plates, compute the force normal to plates required to pull them apart. S. T. of liquid = 0.070 N/m.

### Choices

Choice (4) Response

a.

3.95 N

b.

2.15 N

c.

4.25 N

d.

2.86 N

f Page