# Properties of Solids & Liquids (NEET Physics): Questions 39 - 44 of 188

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## Passage

Read the passage given below and answer the questions that follows:

A brass ball of mass 100 gm is heated to 100°C and then dropped into 200 gm of turpentine in a calorimeter at 15°C. The final temperature is found to be 23°C. Take specific heat of brass as 0.092 cal/gm°C and water equivalent of calorimeter as 4 gm.

## Question number: 39 (3 of 3 Based on Passage) Show Passage

» Properties of Solids & Liquids » Heat Transfer » Conduction

### Question

The specific heat of turpentine is

### Choices

Choice (4) | Response | |
---|---|---|

a. | 0.72 cal/gm°c | |

b. | 0.12 cal/gm°c | |

c. | 0.42 cal/gm°c | |

d. | 0.96 cal/gm°c |

## Question number: 40

» Properties of Solids & Liquids » Thermal Expansion

### Question

The real coefficient of volume expansion of glycerin is 0.000977 per °C and linear coefficient of expansion of glass is 0.000007 per °C. Then the apparent volume coefficient of expansion of glycerin is

### Choices

Choice (4) | Response | |
---|---|---|

a. | 0.000573 per °C | |

b. | 0.000237 per °C | |

c. | 0.000666 per °C | |

d. | 0.000956 per °C |

## Question number: 41

» Properties of Solids & Liquids » Stress-Strain Relationship

### Question

A wire of length lm is stretched by a force of 15 N. The area of cross-section of the wire is 2 × 10 ^{6} m ^{2} and Y is 2 × l0 ^{-6} N/m ^{2}. Increase in length of the wire will be -

### Choices

Choice (4) | Response | |
---|---|---|

a. | 3.75 × 10 | |

b. | 4.45 × 10 | |

c. | 2.25 × 10 | |

d. | Question does not provide sufficient data or is vague |

## Question number: 42

» Properties of Solids & Liquids » Young's Modulus

### Question

For a given material, the Young’s modulus is 2.8 times that of rigidity modulus. It’s Poisson’s ratio is

### Choices

Choice (4) | Response | |
---|---|---|

a. | 2 | |

b. | 0.4 | |

c. | 1.02 | |

d. | 0.2 |

## Question number: 43

» Properties of Solids & Liquids » Thermal Expansion

### Question

Flask is filled up to a mark with 50 cc of mercury at 8°C. If the flask and contents are heated to 38°C, how much mercury will be above the mark? (α for glass is 9 × 10 ^{-6} /°C and coefficient of real expansion of mercury is 180 × 10 ^{-6})

### Choices

Choice (4) | Response | |
---|---|---|

a. | 0.05 | |

b. | 0.85 cc | |

c. | 0.46 cc | |

d. | 0.153 cc |

## Question number: 44

» Properties of Solids & Liquids » Latent Heat

### Question

A lead bullet at 27° C just n tits when, stopped by an obstacle. Assuming that 25 % of heat is absorbed by the obstacle, then the velocity of the bullet at the time of striking (M. P. of lead = 327°C, specific heat of lead = 0.03 cal/gm °C, latent heat of fusion of lead = 6 cal/gm and J = 4.2 joule/cal)

### Choices

Choice (4) | Response | |
---|---|---|

a. | 307.5 m/sec | |

b. | 1230 m/sec | |

c. | 410 m/sec | |

d. | Question does not provide sufficient data or is vague |