# Properties of Solids & Liquids (NEET (NTA-National Eligibility cum Medical Entrance Test) Physics): Questions 91 - 95 of 190

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

## Question number: 91

» Properties of Solids & Liquids » Latent Heat

MCQ▾

### Question

A bullet moving with a uniform velocity v, stops sudden after hitting the target and the whole mass melts be m, specific heat S, initial temperature 28°C, melting point 375 °C and the latent heat L. Then v is given by

### Choices

Choice (4) Response

a.

b.

c.

d.

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

## Question number: 92

» Properties of Solids & Liquids » Elastic Behavior

MCQ▾

### Question

Length of a wire is doubled, when 20 × 10 8 N/m 2 stress is applied on it. Its Young’s modulus of elasticity in N/m 2 will be

### Choices

Choice (4) Response

a.

10 × 10 8

b.

20 × 10 10

c.

20 × 10 9

d.

20 × 10 8

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

## Question number: 93

» Properties of Solids & Liquids » Heat Transfer » Radiation

Assertion-Reason▾

### Assertion (Ꭺ)

As temperature of a black body is raised, wavelength corresponding to maximum energy reduces.

### Reason (Ꭱ)

Higher temperature would mean higher energy and hence higher wavelength.

### Choices

Choice (4) Response

a.

Ꭺ is false but Ꭱ is true

b.

Both Ꭺ and Ꭱ are false

c.

Ꭺ is true but Ꭱ is false

d.

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

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

## Question number: 94

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

MCQ▾

### Question

The amount of work done in blowing a soap bubble such that its diameter increases from d to D is (T = surface tension of the solution)

### Choices

Choice (4) Response

a.

b.

c.

d.

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

## Question number: 95

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

MCQ▾

### Question

Two soap bubbles of radii r 1 and r 2 equal to 2.5 cm and 3.9 cm are touching each other over a common surface S 1 S 2. Its radius will be

### Choices

Choice (4) Response

a.

6.96 cm

b.

4.45 cm

c.

6.90 cm

d.

4.20 cm

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