NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 812 - 816 of 2184

Access detailed explanations (illustrated with images and videos) to 2184 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.

Rs. 550.00 or

How to register?

Question number: 812

» Work, Energy and Power » Work Done

Edit
MCQ▾

Question

The work done in pulling a body of mass 6 kg along an inclined plane (angle 45°) with coefficient of friction 0.2 through 2 m, will be -

Choices

Choice (4) Response

a.

98.08 J

b.

90.08 J

c.

91.08 J

d.

99.72 J

Question number: 813

» Laws of Motion » Laws of Friction

Edit
MCQ▾

Question

The contact force exerted by a body A on another body B is equal to the normal force between the bodies. We conclude that -

(1) The surfaces must be smooth

(2) Force of friction between two bodies may be equal to zero

(3) Magnitude of normal reaction is equal to that of friction

(4) Bodies may be rough

Which of the following options are correct?

Choices

Choice (4) Response

a.

3 and 4

b.

1 and 2

c.

1 and 4

d.

2 and 4

Question number: 814

» Work, Energy and Power » Potential Energy

Edit
MCQ▾

Question

The potential energy between two atoms in a molecule is given by, where a and b are positive constant and x is the distance between the atoms. The atoms is an stable equilibrium, when-

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 815

» Laws of Motion » Force and Inertia

Edit
MCQ▾

Question

In above question, what is the tension in each string?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 816

» Work, Energy and Power » Work Done

Edit
MCQ▾

Question

The work done in pulling a body of mass 5 kg along an inclined plane (angle 60°) with coefficient of friction 0.2 through 2 m, will be -

Choices

Choice (4) Response

a.

94.08 J

b.

98.08 J

c.

91.08 J

d.

90.08 J