eVidyarthi

MCQ Science and Technology Chapter 2 Class 9 Maharashtra Board

Work and Energy

1. How much potential energy is stored in 500 kg of water in a tank 10 m high (g = 9.8 m/s²)?

Question 1 of 20

2. Why do Ajay and Atul get different potential energy values for the same ball on a table?

Question 2 of 20

3. Which form of energy is primarily used in a stretched piece of rubber?

Question 3 of 20

4. What type of energy does a fast-moving car primarily have?

Question 4 of 20

5. What type of energy is produced by the whistling of a cooker due to steam?

Question 5 of 20

6. What happens to the energy in exploding firecrackers?

Question 6 of 20

7. What does the law of conservation of energy state?

Question 7 of 20

8. In the coupled oscillators activity, what happens when one pendulum swings?

Question 8 of 20

9. What is free fall?

Question 9 of 20

10. What is the total energy of an object at the top of a free fall (height h)?

Question 10 of 20

11. What is the kinetic energy of an object at the ground in free fall from height h?

Question 11 of 20

12. What is the potential energy of an object at the ground in free fall?

Question 12 of 20

13. What is power defined as?

Question 13 of 20

14. What is the SI unit of power?

Question 14 of 20

15. How is one horsepower related to watts?

Question 15 of 20

16. What is the unit of energy for commercial use?

Question 16 of 20

17. How much power does Swaralee use to carry a 20 kg bag to 5 m in 40 s?

Question 17 of 20

18. How much electricity does a 25 W bulb consume in 10 hours daily?

Question 18 of 20

19. For work to be performed, energy must be:

Question 19 of 20

20. Which forces have to be overcome when Minakshee displaces a wooden block?

Question 20 of 20


 

MCQ
Quiz

Leave a Reply

Your email address will not be published. Required fields are marked *

CBSE Board English Medium

ગુજરાત બોર્ડ

PSC Exam Preparation