NEET Physics: Questions 1303 - 1306 of 2142
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Question number: 1303
» Thermodynamics » Concept of Temperature
Question
One mole of a perfect gas in a cylinder fitted with a piston has a pressure P, volume V and temperature T. If the temperature is increased by 1 K keeping pressure constant, the increase in volume is
Choices
| Choice (4) | Response | |
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| b. |
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| c. | V |
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| d. |
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Question number: 1304
» Properties of Solids & Liquids » Heat Transfer » Radiation
Question
Two thermometers A and B are exposed in sunlight. The bulb of A is painted black, But that of B is not painted. The correct statement regarding this case is
Choices
| Choice (4) | Response | |
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| a. | Temperature of A will rise faster than B but the final temperature will be the same |
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| b. | Temperature of B will rise faster |
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| c. | Temperature of A will remain more than B |
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| d. | A and B show equal rise in beginning |
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Question number: 1305
» Properties of Solids & Liquids » Surface Energy and Surface Tension
Question
A film of water is formed between two straight parallel wires of length 10 cm each separated by 0.5 cm. If their separation is increased by 1 mm while still maintaining their parallelism, how much work will have to be done (Surface tension of water = 70 × 10 -2 N/m)
Choices
| Choice (4) | Response | |
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| a. | 2.88 × 10 -5 Joule |
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| b. | 1.44 × 10 -5 Joule |
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| c. | 7.22 × 10 -6 Joule |
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| d. | 5.76 × 10 -5 Joule |
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Question number: 1306
» Thermodynamics » Thermal Equilibrium
Assertion (Ꭺ)
The isothermal curves intersect each other at a certain point.
Reason (Ꭱ)
The isothermal change takes place slow; so the isothermal curves have very little slope.
Choices
| Choice (4) | Response | |
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| a. | Ꭺ is false but Ꭱ is true |
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| b. | Ꭺ is true but Ꭱ is false |
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| c. | Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ |
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| d. | Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ |
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