NEET (National Eligibility cum Medical Entrance Test) Physics: Questions 214 - 218 of 2142

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Question number: 214

» Communication System » Propagation of Electromagnetic Waves in the Atmosphere

MCQ▾

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

The Image Is Vernier Calipers

A situation when the jaws of vernier are touching each other.

Choices

Choice (4) Response

a.

+ 0.5 mm

b.

+ 0.4 mm

c.

- 0.4 mm

d.

- 0.5 mm

Question number: 215

» Kinematics » Average Speed and Instantaneous Velocity

MCQ▾

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

a.

1.44 m

b.

12.5 m

c.

12 m

d.

16.2 m

Question number: 216

» Laws of Motion » Force and Inertia

MCQ▾

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

a.

700 N, 1400 N, 210 N

b.

2100 N, 700 N, 1400 N

c.

1400 N, 700 N, 2100 N

d.

210 N, 700 N, 1400 N

Question number: 217

» Rotational Motion » Angular Momentum

MCQ▾

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

a.

2 x 10 -3 kg m 2 /s

b.

6 x 10 -3 kg m 2 /s

c.

4 x 10 -3 kg m 2 /s

d.

Question does not provide sufficient data or is vague

Question number: 218

» Communication System » Bandwidth of Transmission Medium

MCQ▾

Question

Consider the following statements regarding the experiment to determine the surface tension of water by capillary rise method. Choose the correct statements.

  1. Capillary tube should be clean and liquid should be free from dirt and grease.
  2. Distilled water should be avoided.
  3. Distilled water should be added.
  4. Dirty liquid should be used.

Select the correct answers and mark it according to the following codes:

Choices

Choice (4) Response

a.

1, 2 and 3 are correct

b.

1 and 2 are correct

c.

2 and 4 are correct

d.

1 and 3 are correct

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