Practice Kepler'S Law Multiple Choice Questions with Answers Quiz-1

Q.1.

What is obliquity?

The measure of the tilt of the Earth
The change in the shape of Earth’s orbit around the sun
The change in the orientation of Earth’s axis
The measure of solar intensity of the sun

Q.2.

What is inertia?

amount of atoms
amount of gravitational pull
the size
resistance to a change in motion

Q.3.

A year on Jupiter is 4,days long. This tells you how long it takes

Jupiter to rotate one time on its axis.
Earth to orbit Jupiter.
Jupiter to orbit the sun
the sun to orbit Jupiter

Q.4.

Who was Kepler?

Scientist
German Astronomer and mathematician

Q.5.

The period of geostationary artificial satellite is

6 hours
12 hours
24 hours
48 hours

Q.6.

Earth's spinning on its axis is called its _____________.

orbit
rotation

Q.7.

The study of space

Astronomy
Meteorology
Galaxy
Geology

Q.8.

Kepler’s third law states

The semimajor axis is equal to the planet’s average distance from the sun
None of these answers is correct
The square of the orbital period of a planet is proportional to its orbital radius
The orbit of a planet around the sun is an ellipse, with the sun at one focus

Q.9.

When the earth is closest to the sun

the sun will have the biggest apparent diameter and the greatest gravitational attraction
the sun will have the biggest apparent diameter and the smallest gravitational attraction

Q.10.

When a planet orbits the Sun, one of the foci of the elliptical orbit is

the axis
the perihelion
the center
the Sun

Q.11.

Planets revolve around the sun in elliptical orbits

Law of Periods
Law of orbits
Law of Areas
None of these

Q.12.

How fast does the earth revolve around the sun?

15 degrees per hour
1 degree per hour
1 degree per day
15 degrees per day

Q.13.

What is Kepler's 3rd Law?

Law of Areas
Law of Periods
Law of Orbits
None of these

Q.14.

What is his nationality

Chinese
Turkish
German
Russian

Q.15.

Which planet has the least eccentric orbit?

Venus
Mars
Earth
Mercury

Q.16.

What is Kepler's 2nd Law?

Law of Orbits
Law of Periods
Law of Areas
None of these

Q.17.

What is Kepler's 1st Law?

Law of Areas
Law of Periods
Law of Orbits
All of above

Q.18.

Unit of 'G' is

N-m2/kg
N-m/kg2
N-m2/kg2
N-m/kg

Q.19.

'G' is called

acceleration due to gravity
gravity
gravitational constant
gravitational force

Q.20.

When the distance between two objects increases the gravitational force between them

decreases
increases
no change
None of these

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