Properties of Solids & Liquids (KVPY Stream-SA (Class 11) Physics): Questions 14 - 17 of 27

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 242 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: 14

» Properties of Solids & Liquids » Bernoulli's Principle and Its Applications

MCQ▾

Question

A liquid of density 0.9 is flowing through horizontal tube of varying cross-sectional area. The diameter at point A is 12 cm and diameter at point B is 6 cm in tube. The manometer shows 16 cm pressure between A and B in two limbs. So what is the rate of flow of liquid in the tube?

Choices

Choice (4) Response
a.

5562

b.

5030

c.

5392

d.

5782

Question number: 15

» Properties of Solids & Liquids » Specific Heat Capacity

MCQ▾

Question

Five identical blocks of metal are at 250C, 52ºC, 600 C, 780 C and 90ºC respectively. The specific heat of the material of the five blocks increases with temperature. Which of the following is true about the final temperature Tf when all five blocks are brought into contact? (Assuming that no heat is lost to the surroundings)

Choices

Choice (4) Response
a.

Tf will be more than 56ºC

b.

Tf can be either more than or less than 56ºC depending on the precise variation of the specific heat with temperature

c.

Tf will be 56ºC

d.

Tf will be less than 56ºC

Question number: 16

» Properties of Solids & Liquids » Latent Heat

MCQ▾

Question

An ice ball falls from a height h and melts completely. Assuming that only one-fifth of the heat generated is absorbed by the ice, calculate the value of h.

(Latent heat of fusion of ice = 3.4⨯105 JKg-1 and g = 10 Nkg-1)

Choices

Choice (4) Response
a.

160

b.

165

c.

170

d.

155

Question number: 17

» Properties of Solids & Liquids » Viscosity

MCQ▾

Question

A small metal ball of diameter 4 mm and density 11.6 g cm-3 is dropped in glycerin of density 1.5 g cm-3. The ball attains a terminal velocity of 980 cm s-1. The coefficient of viscosity of glycerin is,

Choices

Choice (4) Response
a.

4.9 poise

b.

980 poise

c.

16.49 poise

d.

9.8 poise

Sign In