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NTS Physics Mcqs Online Test 7

NTS Physics Mcqs Online Test 7 Question Answers Start Below

A field in which the work done in a moving a body along closed path is zero is called?

electric field
conservative field
electromagnetic field
gravitational field

Correct!

Wrong!

If a body a mass of 2 kg is raised vertically through 2m, then the work done will be?

38.2 J
392.1 J
39.2 J
3.92 J

Correct!

Wrong!

The average power and instantaneous power become equal if work is done at?

any rate
at variable rate
at uniform rate
at high rate

Correct!

Wrong!

When a force is parallel to the direction of motion of the body, then work done on the body is?

zero
minimum
infinity
maximum

Correct!

Wrong!

Slope of work time graph is equal to?

displacement
acceleration
power
energy

Correct!

Wrong!

An elevator weighing 3.5 x 10-6 N is raised to a height of 1000 m in the absence of friction, the work done is?
 

3.5 x 103 J
3.5 x 104 J
3.5 x 106 J
3.5 x 109 J

Correct!

Wrong!

Which of the following types of force can do no work on the particle on which it acts?
 .

frictional force
gravitational force
. elastic force
centripetal force

Correct!

Wrong!

The relation between horse power and watt is?

1 hp = 546 watts
1 hp = 746 watts
1 hp = 1000 watts
1 hp = 946 watts

Correct!

Wrong!

Work done will be maximum if the angle between the force F and displacement d is?

45?
90?
180?
0?

Correct!

Wrong!

Proton electron neutron and a particles have same momentum. Which of them have highest K.E?
 

Proton
electron
neutron
a-particle

Correct!

Wrong!

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