Kepler’s Laws (HSC SSCE Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
Whose astronomical observations did Kepler use to develop his laws of planetary motion?
Whose astronomical observations did Kepler use to develop his laws of planetary motion?
Tycho Brahe
What term describes how Kepler's laws were discovered from observational data rather than theory?
What term describes how Kepler's laws were discovered from observational data rather than theory?
Empirical
According to Kepler's first law, where is the Sun located in a planet's elliptical orbit?
According to Kepler's first law, where is the Sun located in a planet's elliptical orbit?
At one focus
What is Earth's orbital eccentricity?
What is Earth's orbital eccentricity?
What is constant for any point on an ellipse's edge regarding the two foci?
What is constant for any point on an ellipse's edge regarding the two foci?
Sum of distances to both foci
What does Kepler's second law state about a line joining a planet to the Sun?
What does Kepler's second law state about a line joining a planet to the Sun?
Sweeps equal areas in equal times
How does a planet's speed change as it moves closer to the Sun?
How does a planet's speed change as it moves closer to the Sun?
It speeds up
What is the mathematical relationship in Kepler's third law?
What is the mathematical relationship in Kepler's third law?
What can be determined by observing satellite orbits using Kepler's third law?
What can be determined by observing satellite orbits using Kepler's third law?
Mass of the central star
If planet A orbits at distance in days, what's the period for planet B at distance ?
If planet A orbits at distance in days, what's the period for planet B at distance ?
days