Properties of Solids & Liquids [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Physics]: Questions 36 - 41 of 453

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Question 36

Question MCQ▾

A wire of length lm is stretched by a force of 10 N. The area of cross-section of the wire is 2 × 106 m2 and Y is 2 × lO-6 N/m2 . Increase in length of the wire will be -

Choices

Choice (4)Response

a.

2.5 × 10-5 m

b.

2.5 × 10-5 cm

c.

2.5 × 10-5 mm

d.

All of the above

Edit

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 37 (1 of 3 Based on Passage)

Question MCQ▾

The specific heat of turpentine is

Choices

Choice (4)Response

a.

0.72 cal/gm°c

b.

0.96 cal/gm°c

c.

0.12 cal/gm°c

d.

0.42 cal/gm°c

Edit

Question 38 (2 of 3 Based on Passage)

Question MCQ▾

Heat lost by the ball is approximately

Choices

Choice (4)Response

a.

610 cal

b.

810 cal

c.

710 cal

d.

510 cal

Edit

Question 39 (3 of 3 Based on Passage)

Question MCQ▾

Heat gained by turpentine and calorimeter is approximately

Choices

Choice (4)Response

a.

511 cal

b.

620 cal

c.

704 cal

d.

815 cal

Edit

Question 40

Question MCQ▾

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.

0.000666 per °C

b.

0.000956 per °C

c.

0.000573 per °C

d.

0.000237 per °C

Edit

Question 41

Question MCQ▾

A wire of length lm is stretched by a force of 15 N. The area of cross-section of the wire is 2 × 106 m2 and Y is . Increase in length of the wire will be -

Choices

Choice (4)Response

a.

4.45 × 10-5 m

b.

3.75 × 10-5 m

c.

2.25 × 10-5 m

d.

Question does not provide sufficient data or is vague

Edit