NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 214 - 218 of 2142
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Question number: 214
» Communication System » Propagation of Electromagnetic Waves in the Atmosphere
Question
The figure shows a situation when the jaws of vernier are touching each other. Each main scale division is of 1 mm. Find zero correction.
The Image Is Vernier Calipers
A situation when the jaws of vernier are touching each other.
Choices
Choice (4) | Response | |
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a. | + 0.5 mm |
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b. | + 0.4 mm |
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c. | - 0.4 mm |
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d. | - 0.5 mm |
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Question number: 215
» Kinematics » Average Speed and Instantaneous Velocity
Question
A car of 500 kg moving with a velocity of 18 km/hr is stopped by the brake force of 500 N. The distance covered by it before coming to rest is –
Choices
Choice (4) | Response | |
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a. | 1.44 m |
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b. | 12.5 m |
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c. | 12 m |
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d. | 16.2 m |
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Question number: 216
» Laws of Motion » Force and Inertia
Question
An aircraft loops the loop of radius R = 500 m with a constant velocity v = 360 km/h. The weight of the flyer of mass m = 70 kg in the lower, upper and middle points of the loop will respectively be
Choices
Choice (4) | Response | |
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a. | 700 N, 1400 N, 210 N |
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b. | 2100 N, 700 N, 1400 N |
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c. | 1400 N, 700 N, 2100 N |
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d. | 210 N, 700 N, 1400 N |
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Question number: 217
» Rotational Motion » Angular Momentum
Question
Calculate the angular momentum of a body whose rotational energy is 10 joule. If the angular momentum vector coincides with the axis of rotation and its moment of inertia about this axis is 8 x 10 -7 kg m 2
Choices
Choice (4) | Response | |
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a. | 2 x 10 -3 kg m 2 /s |
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b. | 6 x 10 -3 kg m 2 /s |
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c. | 4 x 10 -3 kg m 2 /s |
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d. | Question does not provide sufficient data or is vague |
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Question number: 218
» Communication System » Bandwidth of Transmission Medium
Question
Consider the following statements regarding the experiment to determine the surface tension of water by capillary rise method. Choose the correct statements.
- Capillary tube should be clean and liquid should be free from dirt and grease.
- Distilled water should be avoided.
- Distilled water should be added.
- Dirty liquid should be used.
Select the correct answers and mark it according to the following codes:
Choices
Choice (4) | Response | |
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a. | 1, 2 and 3 are correct |
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b. | 1 and 2 are correct |
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c. | 2 and 4 are correct |
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d. | 1 and 3 are correct |
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