Physics Chapter 4 Work and Energy Mcqs Test Online Class 11th Punjab

• <<
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• >>

 0%

Question 1 of 12

Physics

1. The atmosphere is held to the earth by

Clouds

The rotation of earth

Wings

Gravity

Question 1 of 12

Question 2 of 12

2. If force and displacement of particle in the direction of force are doubled. Work would be

4 times

Half

¼ times

Double

Question 2 of 12

Question 3 of 12

3. If the K.E of a body become four time of the initial value, then new momentum will

Remain constant

Become three times, its initial value

Become twice its initial value

Become four times, its initial value

Question 3 of 12

Question 4 of 12

4. Work is said to be negative when F and d are:

Perpendicular

None of these

Anti Parallel

Parallel

Question 4 of 12

Question 5 of 12

5. If momentum is increased by 20% then K.E. increases by

44%

77%

5%

66%

Question 5 of 12

Question 6 of 12

6. The energy stored in the spring of watch is:

Elastic P.E

Solar Energy

K.E

Electrical Energy

Question 6 of 12

Question 7 of 12

7. An example of non-conservative force is:

Electric force

Frictional force

Gravitational force

Magnetic force

Question 7 of 12

Question 8 of 12

8. Two bodies of masses m₁ and mn have equal momentum their kinetic energies E₁ and En are in the ratio:

m₁mn

mnm₁

√m₁ √m₂

None of these

Question 8 of 12

Question 9 of 12

9. The expression for escape velocity is given by:

gR²/2

√2gR

ngR

ngR²

Question 9 of 12

Question 10 of 12

10. A body of mass 5kg is moving with a momentum of 10kg ms⁻¹. A force of 0.2 N acts on it in the direction of motion of the body for 10 seconds. The increase in its kinetic energy is

3.8 Joule

3.2 Joule

4.4 Joule

2.8 Joule

Question 10 of 12

Question 11 of 12

11. Two bodies with kinetic energies in the ration of 4:1 are moving with equal linear momentum. The ratio of their masses is

1:1

1:2

1:4

4:1

Question 11 of 12

Question 12 of 12

12. One horse power is given by:

746 Joules

746 KW

746 Foot Pounds

746 watts

Question 12 of 12

 Loading...

 

Other Related test

• Punjab 10th Class Computer Science Chapter 4 Conditional Control Structure Mcqs Test Online
• Punjab 10th Class Physics Chapter 1 Simple Harmonic Motion and Waves Mcqs Test Online
• Punjab 10th Class English Chapter 9 Selecting the Right Career Mcqs Test Online
• Punjab 10th Class Biology Chapter 4 Support & Movement Mcqs Test Online
• Punjab 12th Class English First Year at Harrow Chapter 11 MCQs Test Online
• Punjab 12th Class English Good Bye Mr. Chips Chapter 14 MCQs Test Online
• Punjab 12th Class Physics Chapter 5 A.C. Circuit Mcqs Test Online
• Punjab 10th Class Math Chapter 2 Theory of Quadratic Equation Mcqs Test Online
• Punjab 9th Class Urdu Model Paper 2 Mcqs Test Online
• Punjab 9th Class Computer Science Chapter 1 Fundamentals of Computer Mcqs Test Online