NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 410 - 413 of 2320

Access detailed explanations (illustrated with images and videos) to 2320 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Unlimited Access for Unlimited Time!

View Sample Explanation or View Features.

Rs. 600.00 or

How to register?

Question number: 410

» Laws of Motion » Force and Inertia

Edit
MCQ▾

Question

A string of length L is fixed at one end and carries a mass M at the other end. The string makes 2/tc revolutions per second around the vertical axis through the fixed end as Shown in the figure, then tension in the string is

String motion of length L carrying mass M

String Motion of Length L Carrying Mass M

Choices

Choice (4)Response

a.

16 ML

b.

5ML

c.

4 ML

d.

2 ML

Question number: 411

» Rotational Motion » Torque

Edit
MCQ▾

Question

A horizontal force F is applied such that the block remains stationary, then which of the following statement is false

Stationary block with horizontal force F

Stationary Block with Horizontal Force F

Choices

Choice (4)Response

a.

f = mg [where f is the friction force]

b.

F = N [where N is the normal reaction]

c.

N will not produce torque

d.

F will not produce torque

Question number: 412

» Laws of Motion » Force and Inertia

Edit
MCQ▾

Question

A stone of mass 1 kg tied to a light inextensible string of length L = 40/3 m is whirling in a circular path of radius L in a vertical plane. If the ratio of the maximum tension in the string to the minimum tension in the suing is 4 and if g is taken to be 10m/sec 2, the speed of the stone at the highest point of the circle is

Choices

Choice (4)Response

a.

10 m/sec

b.

5√2m/sec

c.

20 m/sec

d.

10√3m/Sec

Question number: 413

» Kinematics » Average Speed and Instantaneous Velocity

Edit
MCQ▾

Question

Consider two children riding on the merry-go-round Child 1 sits near the edge, Child 2 sits closer to the center. Let V1 and v2 denote the linear speed of child 1 and

Child 2, respectively. Which of the following is/are wrong?

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

(1) We cannot determine V 1 & V 2 without more information

(2) v 1 = v 2

(3) v 1 < v 2

(4) v 1 > v 2

Choices

Choice (4)Response

a.

1 and 2 are correct

b.

2 and 4 are correct

c.

1,2 and 3 are correct

d.

1 and 3 are correct

Developed by: