300+ TOP MCQs on Kepler’s Law and Answers

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MCQs on Kepler’s Law :

1. When a planet orbits the Sun, one of the foci of the elliptical orbit is
(A) The axis
(B) The perihelion
(C) The centre
(D) The Sun

Answer

Answer: (D) The Sun

2. What has an eccentricity of zero?
(A) A straight line
(B) A large ellipse
(C) A circle
(D) A small ellipse

Answer

Answer: (C) A circle

3. An Astronomical Unit, or AU, is the average distance between
(A) The Sun and Neptune
(B) The Sun and Earth
(C) The Earth and the Moon
(D) The Sun and Mercury

Answer

Answer: (B) The Sun and Earth

4. Kepler’s second law is known as
(A) The Law of Orbits
(B) The Law of Areas
(C) The Law of Periods
(D) The Law of Gravity

Answer

Answer: (B) The Law of Areas

5. Kepler’s 2nd law deals with
(A) The shape of the planet’s orbits
(B) The speed/area the planet travels
(C) The length of time it takes the planet to orbit the sun
(D) Time travel

Answer

Answer: (B) The speed/area the planet travels

6. Kepler’s third law is known as
(A) The Law of orbits
(B) The Law of Areas
(C) The Law of periods
(D) The Law of gravity

Answer

Answer: (C) The Law of periods

7. The formula for Kepler’s third law is
(A) P³ = a²
(B) P³ = a³
(C) P² = a²
(D) P² = a³

Answer

Answer: (D) P² = a³

8. Kepler’s first law states that the orbits of the planets are oval in shape or
(A) Ellipses
(B) Perfect circles
(C) Squares
(D) triangles

Answer

Answer: (A) Ellipses

9. The Kepler’s first law is known as
(A) The law of orbits
(B) The law of areas
(C) The law of periods
(D) The law of gravity

Answer

Answer: (A) The law of orbits

10. The farther away a planet is from the sun, the …………. it takes it to orbit the sun once
(A) Longer
(B) Shorter

Answer

Answer: (A) Longer