Test your basic knowledge |

DSST Physical Sciences2

Subjects : dsst, science
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. What does spatial resolution refer to?






2. If you have circuit elements in parallel what is the same across them?






3. How do the final velocities differ if a sphere is dropped from a distance rather than rolled down an inclined plane?






4. Kb is the equilibrium constant for what?






5. Melting occurs at what type of temperature? Why?






6. In PV=nRT - if temp increases what will happen to volume?






7. Charged particles in motion constitute what? Freely moving charges are deflected by what? The curved path depends on what?






8. When something is falling what is the force acting on it? Thus what would be the work done?

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9. Hydrogen has what kind of standard oxidation or reduction potential?






10. Light can be carried along a distance within a transparent material by means of what?






11. A cmpd with the lowest carbon to oxygen ratio will require how much oxygen for combustion?






12. In Bohr model of atom when is energy emitted?






13. Can a catalyst shift equilibrium?






14. When an element decreases its atomic number by one what is emitted?






15. In order to guarantee a non-zero spin how many electrons are needed?






16. What direction do gravity and bouyancy work? What direction does water pressure work?






17. Strength of dispersion force increases with what?






18. Heat from friction comes from what?






19. In radioactive decay the atomic number (A) and mass number (Z) must what?






20. Isotopes have diff number of ______ but same what?






21. What happens to the atomic number and atomic mass of an element that go under Beta decay or positron emission?






22. At the moment of explosion of an object - what is its momementum? Why? After an explosion what is the total momentum carried by all the fragments?






23. Half-sine wave shape is what kind of wavelength with regards to length?






24. A floating ice cube implies that it's weight is balanced by what?






25. Terminal voltage is provided to what?






26. The freezing point of an aqueous solution is what kind of property? What does this mean?






27. Considering the answer in the last slide - what kind of a solution would have a lower freezing pt?






28. What kind of geometry is octahedral?






29. Always remember that velocity has ____ and ____






30. What is the equation for bouyant force? What is p?






31. What is the equation for pressure?






32. Neither N2 or O2 have a permanent what? What does this mean?






33. How should the period of a waveform be calculated?






34. Is the work done by air resistance - positive or negative?






35. What is Avagadro's number regarding ions/mol?






36. What does specific heat of a substance tell you? Thus what does a higher specific heat tell you?






37. What are the units of an electric field?






38. When the source of a sound is flying away from you what happens to the wavelengths from peak to peak?






39. A saturated solution of KNO3 means what? If you add salt that has any of these two ions what will happen? What is this called?






40. What is one faraday equal to?






41. The temperature of a metal will not increase above its melting point until what?






42. The coefficient of static friction is the ratio of what?






43. What if the circuit elements are in series?






44. Beta decay is the emission of what? How do you know what it is the emission of?






45. In a rxn - how do you figure out which atom has the highest electron affinity?






46. When looking at which combo of acids and bases will result in a solution with pH of 7 what do we look for?






47. Why would a solution with unfilled orbitals be responsible for turning a solution a certian color?






48. An alpha particle can also be assumed to be what element? What is the mass number of Helium?






49. The force on an electrical charge is what?






50. The closer the spacing of the anode wire - the better one can specify what?