1st PUC physics Series-7 December 3, 2020December 23, 2020wefru PUC Science 1st Year Physics Series-7 quiz 0 Created on December 02, 2020 By wefru 1st PUC Physics Series 7 TEST YOUR KNOWLEDGE OF SCIENCE 1 / 10 Q.61 How many numbers of base SI units are there? 7 77 5 3 2 / 10 Q.62 When a planet orbits the Sun, one of the foci of the elliptical orbit is The axis The perihelion The centre The Sun 3 / 10 Q.63 What has an eccentricity of zero? A straight line A large ellipse A circle A small ellipse 4 / 10 Q.64 An Astronomical Unit, or AU, is the average distance between The Sun and Neptune The Sun and Earth The Earth and the Moon The Sun and Mercury 5 / 10 Q.65 Kepler’s second law is known as The Law of Orbits The Law of Areas The Law of Periods The Law of Gravity 6 / 10 Q.66 Kepler’s 2nd law deals with The speed/area the planet travels The shape of the planet’s orbits The length of time it takes the planet to orbit the sun Time travel 7 / 10 Q.67 Kepler’s third law is known as The Law of periods The Law of orbits The Law of Areas none of the above 8 / 10 Q.68 The formula for Kepler’s third law is P2 = a3 P2 = a P = a3 P2 = a3235 9 / 10 Q.69 Kepler’s first law states that the orbits of the planets are oval in shape or Ellipses Perfect circles Squares triangles 10 / 10 Q.70 The Kepler’s first law is known as The law of orbits The law of areas The law of periods The law of gravity Your score is The average score is 0% LinkedIn Facebook Twitter VKontakte 0% Restart quiz