# Properties of Solids & Liquids (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 102 - 105 of 190

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## Question number: 102

» Properties of Solids & Liquids » Elastic Behavior

MCQ▾

### Question

The volume of a solid rubber ball when it is carried from the surface to the bottom of a 150 m deep lake decreases by 0.1 %. The value for bulk modulus of elasticity for rubber will be

### Choices

Choice (4) Response

a.

21 × l0 6 Pa

b.

15 × 10 -4 Pa

c.

15 × l0 8 Pa

d.

12 × l0 9 Pa

## Question number: 103

» Properties of Solids & Liquids » Specific Heat Capacity

MCQ▾

### Question

A student takes 50 gm wax (specific heat = 0.9 kcal/kg°C) and heats it till it boils. The graph between temperature and time is as follows. Heat supplied to the wax per minute and boiling point are respectively.

### Choices

Choice (4) Response

a.

2500 cal, 50°C

b.

1500 cal, 200°C

c.

2250 cal, 200°C

d.

1000 cal, 100°C

## Question number: 104

» Properties of Solids & Liquids » Heat Transfer » Convection

MCQ▾

### Question

A room is maintained at 20°C by a heater of resistance 20 ohm connected to 400 volt mains. The temperature is uniform throughout the room and heat is transmitted through a glass window of area 4 m 2 and thickness 0.2 cm. What will be the temperature outside? Given that thermal conductivity K for glass is 0.2 cal/m/°C/sec and J = 4.2 J/cal

### Choices

Choice (4) Response

a.

15.25 °C

b.

15.023 °C

c.

24.15 °C

d.

Question does not provide sufficient data or is vague

## Question number: 105

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

MCQ▾

### Question

Which graph represents the variation of surface tension with temperature over small temperature ranges for water?

### Choices

Choice (4) Response

a.

b.

c.

d.