NEET Physics: Questions 1191 - 1196 of 2098

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Question number: 1191

» Properties of Solids & Liquids » Stress-Strain Relationship

MCQ▾

Question

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

Choices

Choice (4) Response

a.

2.5 × 10 -5 mm

b.

2.5 × 10 -5 cm

c.

2.5 × 10 -5 m

d.

Question does not provide sufficient data or is vague

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: 1192 (1 of 3 Based on Passage) Show Passage

» Properties of Solids & Liquids » Heat Transfer » Conduction

MCQ▾

Question

Heat gained by turpentine and calorimeter is approximately

Choices

Choice (4) Response

a.

511 cal

b.

815 cal

c.

704 cal

d.

620 cal

Question number: 1193 (2 of 3 Based on Passage) Show Passage

» Properties of Solids & Liquids » Heat Transfer » Conduction

MCQ▾

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: 1194 (3 of 3 Based on Passage) Show Passage

» Properties of Solids & Liquids » Heat Transfer » Conduction

MCQ▾

Question

Heat lost by the ball is approximately

Choices

Choice (4) Response

a.

710 cal

b.

810 cal

c.

610 cal

d.

510 cal

Question number: 1195

» Thermodynamics » Laws of Thermodynamics » First Law of Thermodynamics

MCQ▾

Question

When an ideal gas in a cylinder was compressed isothermally by a piston, the work done on the gas was found to be 2.0 × 10 4 Joule. During this process about

Choices

Choice (4) Response

a.

2.0 × 10 3 cal of heat flowed out from the gas

b.

4.7 × 10 3 cal of heat flowed into the gas

c.

2.0 × 10 3 cal of heat flowed into the gas

d.

4.7 × 10 3 cal of heat flowed out from the gas

Question number: 1196

» Properties of Solids & Liquids » Thermal Expansion

MCQ▾

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

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