Properties of Solids & Liquids (NEET (NTA-National Eligibility cum Medical Entrance Test) Physics): Questions 52 - 55 of 190

Visit this page to view all the question topics

To view these problems with solutions proceed here and click "Subscribe Now".

Question number: 52

» Properties of Solids & Liquids » Young's Modulus

MCQ▾

Question

Which statements are false for a metal?

(a) Equation

(b) Equation

(c) Equation

(d) Equation

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

To view these problems with solutions proceed here and click "Subscribe Now".

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

To view these problems with solutions proceed here and click "Subscribe Now".

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

To view these problems with solutions proceed here and click "Subscribe Now".

Question number: 55

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

MCQ▾

Question

A homogeneous solid cylinder of length L Equation and cross-sectional area Equation is immersed such that it floats with its axis vertical at the liquid-liquid interface with length Equation 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

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

To view these problems with solutions proceed here and click "Subscribe Now".