Physical World

---

Question

---

Question 1 : The word Science originates from the Latin verb Scientia meaning
1. to know
2. to see
3. to experience
4. to observe
Answer
8163

Question 2 : Atomic and molecular phenomena are dealt with by
1. Newtonian Mechanics
2. fluid Mechanics
3. applied Mechanics
4. Quantum Mechanics
Answer
8164

Question 3 : Wave picture of light failed to explain.
1. polarization of light
2. interference of light
3. the photoelectric effect
4. diffraction of light
Answer
8165

Question 4 : Heliocentric theory proposed by Nicolas Copernicus was
1. replaced by circular orbits to fit the data better
2. replaced by parabolic orbits to fit the data better
3. replaced by elliptical orbits to fit the taste of new rulers of Italy
4. replaced by elliptical orbits to fit the data better
Answer
8166

Question 5 : Just as a new experiment may suggest an alternative theoretical model, a theoretical advance may suggest what to look for in some for in some experiments. Which of the following experiments can be considered to support this claim?
1. scattering of alpha particle or the gold foil experiment
2. Michelson Morley experiment
3. experimental discovery of positron
4. Davisson and Germer Experiment
Answer
8167