Podcast
Questions and Answers
What is the game that Appu, Sarita, and Ameena have constructed?
What is the game that Appu, Sarita, and Ameena have constructed?
- Math genius
- Number master
- Mind reader (correct)
- Equation solver
What does Ameena ask Sara to do in the game?
What does Ameena ask Sara to do in the game?
- Think of a number, multiply it by 5, and add 4 to the product
- Think of a number, multiply it by 2, and subtract 3 from the product
- Think of a number, multiply it by 3, and subtract 2 from the product
- Think of a number, multiply it by 4, and add 5 to the product (correct)
What number does Ameena declare as the number Sara had thought of in the game?
What number does Ameena declare as the number Sara had thought of in the game?
- 12
- 10
- 15 (correct)
- 18
What does Appu ask Balu to do in the game?
What does Appu ask Balu to do in the game?
What number does Appu immediately tell as the number thought by Balu in the game?
What number does Appu immediately tell as the number thought by Balu in the game?
Who first proposed the concept of gravitational waves?
Who first proposed the concept of gravitational waves?
In what year were gravitational waves predicted by Albert Einstein?
In what year were gravitational waves predicted by Albert Einstein?
How do gravitational waves transport energy?
How do gravitational waves transport energy?
Why does Newton's law of universal gravitation not provide for the existence of gravitational waves?
Why does Newton's law of universal gravitation not provide for the existence of gravitational waves?
At what speed do gravitational waves propagate?
At what speed do gravitational waves propagate?
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Study Notes
Game Scenario
- Appu, Sarita, and Ameena have constructed a guessing game.
- In the game, Ameena asks Sara to think of a number.
- Ameena declares that the number Sara had thought of is 7.
- Appu asks Balu to think of a number.
- Appu immediately tells the number thought by Balu, which is 27.
Gravitational Waves
- The concept of gravitational waves was first proposed by Henri Poincaré.
- Albert Einstein predicted the existence of gravitational waves in 1915.
- Gravitational waves transport energy through space.
- Newton's law of universal gravitation does not provide for the existence of gravitational waves because it does not account for the dynamic nature of gravity.
- Gravitational waves propagate at the speed of light.
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