
REVIEWER 2QE PHYSCI 25-26 (SB)
Quiz by Regin Adrian Suba
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45 questions
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- Q1Who is the Greek mathematician credited for calculating the circumference of the planet with remarkable accuracy on the third century B.C.?PythagorasAristotleEratosthenesPlato30s
- Q2The shadow of the earth on the moon is always round during a lunar eclipse What does it indicate?Earth is a flat disk floating on the ocean.Earth is enclosed in a rotating celestial sphere.Earth is the center of the solar system.EARTH is a sphere.30s
- Q3Which of the following was observed by ancient astronomers prior to the invention of telescopes?ConstellationsSolar eclipseUranus and NeptuneLunar eclipse30s
- Q4Which of the following were Galileo’s astronomical discoveries that challenged the Ptolemaic model?It has 56 spheres that guide the motion of the sun, the moon and the five planets.It states that the orbit of a planet is an ellipse.It shows the deferent and epicyclic movement of a planet as it moves around earth.It explains that the sun lay at the center of the universe.30s
- Q5In 1609, Galileo used his telescope to observe heavenly bodies. Which of the following discoveries of Galileo helped weaken the support for geocentric model? asteroid beltasteroid beltphases of moonmoons of Jupiterrings of Saturn30s
- Q6Who developed the laws of planetary motion in 1601?Tycho BraheJohannes KeplerIsaac NewtonGalileo Galilei30s
- Q7Which of the following best describe the figure on the right?The orbit of a planet is an ellipse.The point at which the planet is nearest to the sun is called perihelion.The line segment from the sun to the planet sweeps out equal areas in equal time intervals.The point at which the planet is farthest at the sun is called the aphelion.30s
- Q8Which of the following is NOT Aristotle’s concept about motion?Motion can be natural or violent.The motion of an object is parallel to the ground until it is the object's time to fall back into the ground.A projectile moves in constant horizontal motion simultaneously with a constant vertical acceleration.An object will move if an external force is applied.30s
- Q9How do the Aristotelian and Galilean views on horizontal motion differ?Galileo stated that the natural motion of an object is to return to its natural state based on its composition while Aristotle explained that the motion of an object does not depend on its composition.Galileo explained that impetus is needed to sustain the horizontal movement of an object while Aristotle said that force is not needed to sustain the motion.Aristotle explained that impetus is needed to sustain the horizontal movement of an object while Galileo said that force is not needed to sustain the motion.Aristotle stated that the natural motion of an object is to return to its natural state based on its composition while Galileo explained that the motion of an object does not depend on its composition.30s
- Q10What did Galileo conclude about the motion of objects falling in a vacuum?They stop falling after a certain height.They move faster when heavier.They fall with uniform acceleration regardless of mass.They fall at different rates depending on their mass.30s
- Q11A feather and an iron bar are released from the same height in a room without any air resistance. If you are Galileo’s follower, which will fall first?iron barfeatherboth at the same timethey will not fall30s
- Q12What is the tendency of an object to maintain its state of rest or of uniform velocity in a straight line? accelerationmassinertiaaccelerationforce30s
- Q13What will happen if you push an empty grocery cart with the same force as you push one that is filled with groceries?The two carts will have the same acceleration.The full cart accelerates more slowly.The two carts will have zero acceleration.The empty cart accelerates more slowly.30s
- Q14Which of the following statements describe the key ideas in Galileo and Newton’s views on motion?Galileo’s idea that force is not necessary to sustain motion is the foundation of Newton’s law of inertia.Galileo supported friction-based acceleration, while Newton believed in contact forces.Galileo and Newton believed force was always needed for horizontal motion.Galileo and Newton proposed that heavier objects move faster than lighter ones.30s
- Q15Which of the following statements describe the wave theory of light?Light is a longitudinal wave propagating in all directions at constant velocity in a homogenous medium.Light consists of tiny particles or corpusles coming from a luminous object.Light is a transverse wave having electrical and magnetic properties.Light is emitted in discrete packets of energy called quanta.30s