Home 9th Class Physics Notes Work and Energy: 9th Class Physics Chapter 6 MCQs

# Work and Energy: 9th Class Physics Chapter 6 MCQs

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This post has Class 9 Physics Chapter 6 Notes of students. Here you can find 9th Class Physics Chapter 6 MCQs. Name of this Chapter is Work and Energy. These Multiple Choice Questions are for practice to those students who are looking for it online.

## Work and Energy: 9th Class Physics Chapter 6 MCQs for Students

You may also like: MCQs of Chapter 5   –   MCQs of Chapter 7

(A) 45°
(B) 60°
(C) 90°
(D) 180°

(C) 90°

(A) 2.5 J
(B) 10 J
(C) 50 J
(D) 100 J

(D) 100 J

##### 3. Which one of the following device converts light energy into electrical energy:

Electric bulb
(B) Electric generator
(C) Photo-cell
(D) Electric cell

(C) Photo-cell

(A) 5 ms-¹
(B) 125 ms-¹
(C) 25 ms-¹
(D) 500 ms-¹

(A) 5 ms-¹

##### 5. In Einstein’s mass-energy equation, C is the:

(A) Speed of sound
(B) Speed of light
(C) Speed of earth
(D) Speed of electron

(B) Speed of light

(A) 2 W
(B) 10 W
(C) 25 W
(D) 502 W

(A) 2 W

(A) Energy
(B) Torque
(C) Power
(D) Momentum

(C) Power

##### 8. Energy stored in a dam’s water is:

(A) Potential energy
(B) Kinetic energy
(C) Thermal energy
(D) Electrical energy

(A) Potential energy

##### 9.If the direction of motion of the force is perpendicular to the direction of motion of the body, then work done will be:

(A) Maximum
(B) Minimum
(C) Zero
(D) None of the above

(C) Zero

##### 10. When a body is lifted through a height h, the work done on it appears in the form of its:

(A) Kinetic energy
(B) Potential energy
(C) Elastic potential energy
(D) Geothermal energy

(B) Potential energy

9th Class Physics Chapter 6 Short Questions and Answers are also available.