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Kepler's Law Class 10 MCQ Questions With Answers
1.
The velocity in which a body revolves around another body
Speed
motion
orbital velocity
Acceleration
2.
What is his nationality
Chinese
Turkish
German
Russian
3.
What is the third law of Kepler
The square of the period of any planet is proportional to the cube of the semimajor axis of its orbit.
None
4.
Earth's orbital radius is 1.5 x 10^11 m and it orbits the Sun in 1 year. If Mercury's orbital radius is 5.79 x 10^10 m, calculate the time taken for it to orbit the Sun.Radius orbit Bumi ialah 1.5 x 10^11 m dan Bumi mengelilingi Matahari dalam tempoh 1 tahun. Jika radius orbit Utarid ialah 5.79 x 10^10 m, kira masa yang diambil untuk mengorbit Matahari.
0.240 years
0.386 years
0.621 years
5.
Consider the model of Kepler's 2nd Law. Each colored wedge represents the same time interval. Kepler states that the area of each wedge must be equal. According to this, what conclusions can you draw about the movement of any planet?
An orbiting body travels faster as it gets closer to the central massive body.
An orbiting body covers the same distance for each time interval because the speed changes.
6.
Consider the law of gravitational attraction. Two spheres with a mass, M, are attracted to each other by a force, F. If the distance between the two spheres doubles while the masses remain constant, will the force between the two spheres change? If yes, how?
Yes, the forces decreases by 1/16
Yes, the force decreases by 1/4
7.
Which diagram shows a planet with the least eccentric orbit?
1
2
3
4
8.
In order for a satellite to orbit in a higher orbit, what must be true about its speed
The orbital speed must be decreased
The orbital speed must remain the same
9.
At position A, which hemisphere would have summer?
Northern hemisphere
Southern hemisphere
10.
Types of celestial coordinate system
Latitude and longitude
Ecuatorial and horizontal
None
11.
The angle between the orbital plane of the solar system and the actual orbit of an object around the sun
obliquity
precessoin
inclination
eccentricity
12.
Which of Kepler's Laws is illustrated here?
1st Law
3rd Law
13.
Kepler’s 3rd law states the square of the orbital period is proportional to the cube of the orbital radius. (T2=r3)If a planet's orbital radius is doubled, what happens to the length of a year on that planet?
It will become twice as long
It will become about 8 times as long
It will remain the same
14.
The motion where the Earth's axis tilt traces a cone pattern once every 26,000 years is called
rotation
revolution
precession
nutation
15.
What is the line connecting the sun and planet
Line
Area
Imagine
Radius vector
16.
What is the second law of Kepler ?
All planets move around the Sun in elliptical orbits, with the Sun as one focus of the ellipse.
The square of the period of any planet is proportional to the cube of the semimajor axis of its orbit.
The radius vector of a planet sweeps over in equal areas in equal intervals of time.
None of these
17.
Firs law of Kepler?
None
The orbit of planet is an ellipse with the Sun at one of the two foci
The radius vector of a planet sweeps over equal areas in equal time intervals of time.
The square of the orbital period of a planet is directly proportional to the cube of the semi-major axis of its orbit
18.
An object is _____ if its position changes relative to another object.
in motion
at reset
a frame of refence
magical
19.
If an ellipse eccentricity is closer to 0, then it’s more eccentric.
False
20.
Kepler’s first law states that planets travel in a(n) orbit.
Circular
Elliptical
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