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

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This post is based on Class 9 Physics Chapter 6 Notes for students. Here you can find 9th Class Physics Chapter 6 MCQs with Answers. Name of this Chapter is Work and Energy. These Multiple Choice Questions are for practice to those students who are looking for it online. Students should also visit 9th Class Physics MCQs of All Chapters. These Physics Class 9 Chapter 6 Solved MCQs have been taken from  Al-Hassan Super Notes Physics (English Medium) – IX. Students should go through these Objective Type Questions before attempting exams.

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

You may also like: 9th Physics Chapter 6 Short Questions & Numericals

(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

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