Properties of Solids & Liquids (NEET Physics): Questions 52 - 55 of 188

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 2098 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 550.00 or

Question number: 52

» Properties of Solids & Liquids » Young's Modulus

MCQ▾

Question

Which statements are false for a metal?

(a) Y<η

(b) Y=η

(c) Y<1η

(d) Y>η

Select the correct answers and mark it according to the following codes:

Choices

Choice (4) Response

a.

1, 2 and 3 are correct

b.

1 and 2 are correct

c.

2 and 4 are correct

d.

1 and 3 are correct

Question number: 53

» Properties of Solids & Liquids » Terminal Velocity

MCQ▾

Question

Water is filled in a cylindrical container to a height of 3 m. The ratio of the cross-sectional area of the orifice and the beaker is 0.1. The square of the speed of the liquid coming out from the orifice is (g = 10m/s 2)

Choices

Choice (4) Response

a.

50 m 2 /s 2

b.

52 m 2 /s

c.

50.5 m 2 /s 2

d.

51 m 2 /s 2

Question number: 54

» Properties of Solids & Liquids » Elastic Behavior

MCQ▾

Question

A uniform steel wire of density 7800 kg/m 3 is 2.5 m long and weighs 15.6 × 10 -3 kg. It extends by 1.25 mm when loaded by 8 kg. Calculate the value of young’s modulus of elasticity for steel.

Choices

Choice (4) Response

a.

19.6 × 10 11 N/m 2

b.

1.96 × 10 11 N/m 2

c.

196 × 10 11 N/m 2

d.

All of the above

Question number: 55

» Properties of Solids & Liquids » Surface Energy and Surface Tension

MCQ▾

Question

A homogeneous solid cylinder of length L (L<H2) and cross-sectional area A5 is immersed such that it floats with its axis vertical at the liquid-liquid interface with length L4 in the denser liquid as shown in the fig. The lower density liquid is open to atmosphere having pressure P Q. Then density of solid is given by

Homogeneous solid cylinder in liquid

Homogeneous Solid Cylinder in Liquid

Here in above fig we show that homogenous cylinder of length in liquid, phase interface with length L4.

Choices

Choice (4) Response

a.

14d

b.

45d

c.

54d

d.

d

Sign In