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Viva questions for Physics Class 12
विज्ञान 10 – महत्वपूर्ण MCQs
Fundamentals of Arithmetic
Science 10 – Important MCQs

Kinetic Energy and Work- MCQ

Kinetic Energy and Work- MCQ

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Question 1 of 7

1. Question

Higher the velocity, ______ will be the \(kinetic\) energy.

\(lower\)

\(higher\)

\(equal\)

\(zero\)

Correct

Incorrect
Question 2 of 7

2. Question

Kinetic energy of a system becomes _______ if its mass is \(halved\) and velocity is doubled.

\(half\)

\(same\)

\(double\)

\(four\) times

Correct

Incorrect
Question 3 of 7

3. Question

Work done by gravity during upward motion of an object is __________.

\(zero\)

\(positive\)

\(negative\)

data is not sufficient

Correct

Incorrect
Question 4 of 7

4. Question

Work done on an object is equal to the

kinetic energy of the object

potential energy of the object

change in energy of the object

total mechanical energy of the object

Correct

Incorrect
Question 5 of 7

5. Question

Kinetic Energy of a body moving with speed, \(v\), is

\[\frac{1}{2}mv^2\]

\[mv^2\]

\[\frac{1}{2}mv\]

\[\frac{1}{2}m^2v\]

Correct

Incorrect
Question 6 of 7

6. Question

Which is correct about \(Kinetic\) energy?

\(Scalar\) quantity, SI Unit = Newton

\(Scalar\) quantity, SI Unit = Joule

\(Vector\) quantity, SI Unit = Newton

\(Vector\) quantity, SI Unit = Joule

Correct

Incorrect
Question 7 of 7

7. Question

The correct formula for work done when a force \(\vec F\) acts on a body causing displacement \(\vec d\) making an angle \(\theta\) with it _________.

\[W =- F d \cos \theta\]

\[W = F d \sin\theta\]

\[W = F d \tan\theta\]

\[W =F d \cos \theta\]

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Passion JEE

"Stronger the roots, Brighter the future"

Points Table
Viva questions for Physics Class 12
विज्ञान 10 – महत्वपूर्ण MCQs
Fundamentals of Arithmetic
Science 10 – Important MCQs

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