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. As a balloon rises in a tank of water what happens to the temperature inside it? Why would this happen?






2. What does spatial resolution refer to?






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






4. Heat from friction comes from what?






5. What is the magnitude of the electric field produced by a point charge?






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






7. If you have an alcohol with OH on the end and then another cmpd with an O in the middle but no H - what is different between the bonds they can make with water?

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






9. If you have longer wavelengths how is their freq and energy compared to shorter wavelengths?






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






11. What type of acid and base would produce a pH closest to 7?






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






13. If something is very toxic to a human - what Ksp value should it have for it to be the safest?






14. When does red litmus paper turn blue?






15. Thus is Zn (which has positive oxidation potential) reacts with HCl - will any rxn take place?






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






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






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






19. What is a metathesis rxn?






20. When you are trying to calculate a galvanic cell's emf - what do you look at?






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






22. What would the force be of a block on a pulley? What would be its displacement?

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23. What is the unit for Young's Modulus?






24. How do you find what is the limiting reagent? You can then use the moles of the limiting reagent to calculate what?






25. How do you find wavelength if you known distance from adjacent crests and troughs?






26. Equivalent mass is what?






27. What are the units of an electric field?






28. What is the doppler equation for wavelength and frequency?






29. What is the equation for pressure?






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






31. If both weight and bouyant force are dependent on g - that makes g independent of what?






32. What is the relationship between P and n in PV=nRT?






33. The number of incident photons on the cathode affect what?






34. The free energy change (G) must be negative when what?






35. If you are given density and volume how do you find mass?






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






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






38. The volume of an object is equal to water?






39. Does the temperature of a water bath or amount of water in a water bath determines if a substance melts?






40. The phase difference corresponding to a half wave is what? When do you get destructive interference?






41. A plane mirror produces an image where?






42. The square root of 10^anything is equal to what?






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






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






45. The force on an electrical charge is what?






46. Why is it important that the materials used as scintillators are nearly transparent to the wavelength of light they emit?






47. Strength of dispersion force increases with what?






48. Terminal voltage is provided to what?






49. What is the formula for the power supplied by a battery to accelerate an electron beam?






50. 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?