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. How do you find specific gravity of an object?






2. What is Newton's Universal Law of Gravitation?






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






4. When does red litmus paper turn blue?






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






6. The visible spectrum ranges from ____ to _____






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






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






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






10. How do you find moles of a substance when you are given faradays and electrons?






11. Pressure in a liquid is proportional to what? So why does this explain why blood pressure is greater in legs?






12. What energy conversion describes best what takes place in a battery-powered resistive circuit?






13. What happens to a negatively charged particle put between two parallel plates?






14. The probability of an X-ray emission event at a given wavelength is measured by what?






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






16. Why does light travel slower in an optically dense medium than through a vacuum?






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






18. The electrical force on a particle depends on what?

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






20. What is different between an inclined plane and free fall?






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






22. The force on an electrical charge is what?






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






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






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






26. What is usually conserved over oscillation periods?






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






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






29. So if you have a voltage of 1/4V it will be reduced by what? Thus what will be the equation for the terminal voltage?






30. 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?






31. The basicity constant Kb measures what?






32. Equivalent mass is what?






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






34. How do you figure out the literature Ksp value of a compound?






35. The coefficient of kinetic friction is always lower than what? Therefore what?






36. What is newton's second law?






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






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






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






40. How do you find 'g' from Newton's law of gravity?






41. When a falling mass is at terminal speed - what is the power expended by the air resistance?






42. What is the spin projection quantum number?






43. The electrons emitted from cathode are replaced with what?






44. Why are bonds between H and another atom shorter compared to most?






45. Friction is caused by what?






46. A nearsighted person has what type of focal length? Thus what do we do to correct this?






47. What is the principal quantum number (n)?






48. If any species is gotten rid of when combining two equations of chemical rxns together what can you conclude about those species?






49. The total pressure of a solution is what? Give example.






50. What is sublimation?