Quiz

Question 1. The negative gravitational potential energy means
Question 2. The weight of an object will be minimum when it is placed
Question 3. Geostationary orbit is at a height of approx. ___________
Question 4. What is the value of acceleration due to gravity on the surface of the Earth?
Question 5. Who gave the universal law of gravitation?
Question 6. The force of gravity between two objects is:
Question 7. Which instrument is used to measure the frequency of sound?
Question 8. Sound cannot travel through:
Question 9. The time taken by a pendulum to complete one oscillation is called:
Question 10. Which of the following is not a characteristic of sound?