NEET (National Eligibility cum Medical Entrance Test) Physics: Questions 1191 - 1196 of 2142
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 2142 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.
Rs. 550.00 or
Question number: 1191
» Properties of Solids & Liquids » Stress-Strain Relationship
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
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: 1193 (2 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: 1194 (3 of 3 Based on Passage) Show Passage
» Properties of Solids & Liquids » Heat Transfer » Conduction
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: 1195
» Thermodynamics » Laws of Thermodynamics » First Law of Thermodynamics
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
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 |
|