Gravitation and Sound Questions with Answers

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Gravitation and Sound Questions with Answers

Question 1. The negative gravitational potential energy means

Object is bounded to the system

Object is not bounded to the system

Negative gravitational potential energy is not possible

None of the above

Question 2. The weight of an object will be minimum when it is placed

at the North Pole

at the South Pole

at the Center of the Earth

one of the above

Question 3. Geostationary orbit is at a height of approx. ___________

36,000 km

1000 km

3600 km

36 km

Question 4. What is the value of acceleration due to gravity on the surface of the Earth?

8.9 m/s²

9.8 m/s²

10.8 m/s²

7.8 m/s²

Question 5. Who gave the universal law of gravitation?

Albert Einstein

Galileo Galilei

Sir Isaac Newton

Johannes Kepler

Question 6. The force of gravity between two objects is:

Directly proportional to the square of the distance

Inversely proportional to the product of masses

Inversely proportional to the square of the distance

Not affected by distance

Question 7. Which instrument is used to measure the frequency of sound?

Thermometer

Tuning Fork

Barometer

Hygrometer

Question 8. Sound cannot travel through:

Solid

Liquid

Gas

Vacuum

Question 9. The time taken by a pendulum to complete one oscillation is called:

Velocity

Frequency

Time Period

Acceleration

Question 10. Which of the following is not a characteristic of sound?

Loudness

Pitch

Brightness

Quality

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?

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