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. S.I. unit of momentum
THe force that holds the nucleus together.
Convex
This is the highest point of the swinging motion. PE is at a maximum. Displacement is the greatest from equilibrium. KE and Velocity are zero.
kg•m/s


2. If you double the mass of one planet - triple the mass of another - and move them twice as far apart - what happens to the force of attraction between them?
Speed ups
Light must travel from more to less dense so the refracted ray can bend away from the normal.
The new force is 2/4 or 1/2 times the old force. ...Because the force of gravity varies directly with the masses and inverse squared to the distance apart.
PV=nRT and PV=kT


3. Under what conditions is mechanical work positive?
Convex
Work is positive when the force and displacement point in the same direction.
KE = (3/2)kT
A displacement must occur. ( W=Fd)


4. What do you do with any vector that is not on either the x or y axis?
(Cross-sectional Area)(Velocity)
The motion of the molecules in gas.
system is the gas being studied. Environment is the surroundings outside the gas.
Break it up into x and y components using trig - add up the components.


5. Define diffraction
The graph of force vs displacement
Bends waves around small objects and the interference of waves from a coherent sources.
The release of a particle or photon from an UNSTABLE nucleus.
Impulse


6. What kind of image do you get when the object is placed at the focus?
No image.
(mg)sin(angle)
The light travels through the image.
W=qV


7. What are three ways to increase the capacitance of a capacitor?
Q=0 because thermal energy is not transfered between the system and its surroundings
The bending of light
velocity
C=kEA/d: Increase the area of the plates - decrease the distance between the plates -and increase the dielectric constant between the plates.


8. What is force times the parallel diplacement?
Work
W=qV
The bouncing of light
Diverging lenses have a negative focal length.


9. How length effect resistance?
Velocity has a direction and speed does not have direction.
W=qV
Work of a system is equal to 1-Qc/Qh
The longer the length of wire - the higher the resistance.


10. Condition for no rotation
Torque
Current stays the same for resistors in series.
Sum of the torques equal zero.
A potential difference and a flow and energized charges.


11. S.I. unit of magnetism
Electromagnetic wave exits the electrons to a higher orbital. When the electron relaxes - a wavelength of light is given off.
Power ... Power equals the change in energy over time.
Tesla
Longitudinal Wave: Sound wave - Transverse Wave: Light wave - 'The Wave' in a a crowd at a porting event.


12. Unit of energy for electricity.
The acceleration is towards the center. It is supplied by the normal force and points towards the center.
Alpha - Beta - and Gamma
V - a Joule/Coulomb
Something other than zero.


13. In a pendulum or spring - what are the displacement - velocity - PES - and K at maximum displacement?
velocity
Energy and mass are equated by E=mc^2.
This is the highest point of the swinging motion. PE is at a maximum. Displacement is the greatest from equilibrium. KE and Velocity are zero.
ZERO. Because the force is perpendicular to the displacement . (Open right hand rule.)


14. How must the mediums light is traveling through be arranged so that the condition for the critical angle can exist?
Light must travel from more to less dense so the refracted ray can bend away from the normal.
Only 1/4 wavelength fits in the tube. L=wavelength/4
The acceleration is towards the center. It is supplied by the normal force and points towards the center.
Work


15. How is sum of force (net force) depicted in a free body diagram?
They fall - vertically - the by the same amount in the same time.
PV=nRT and PV=kT
Converging lenses have a positive focal length.
It is an arrow that DOES NOT touch the body. Recall that the net force is the answer when all the forces are added up.


16. What kind of mirror has a positive focus?
The NET work BY a system is the area enclosed in a cycle on a PV diagram.
Concave
The centripetal acceleration points along the radius towards the center of the circle. (Just like the centripetal force.)
Every point on a wave front is a secondary source.


17. Formula for the potential difference of a point charge as compared to infinity.
The interaction between an oscillating electric magnetic fields that are oriented 90° to each other. It propagates indefinitely because the wave takes its own medium.
Lost kinetic energy is work. It is calculated from Fd or KE:final - KE:initial
V=kq/R
The new force is 2/4 or 1/2 times the old force. ...Because the force of gravity varies directly with the masses and inverse squared to the distance apart.


18. Unit that means the same thing as Nm
The velocity is positive
Zero.
Joule
Work by a system is positive when the gas expands. (The volume increases.)


19. Force in terms of pressure
Force= Pressure/Area
A1v1=a2v2
x=(1/2)at^2 Remember - the word 'dropped' implies no initial velocity.
W=qV


20. What is the y intercept of the velocity time graph?
The measure of the average kinetic energy of the molecules.
When it is on the 'dark' side of the mirror. Opposite the light.
The initial velocity - (Vo in the formulas)
Concave


21. What is the area under the velocity time graph?
Resistance: R=R1+R2+R3+...
Statistically speaking - energy flows from hot to cold.
Concave mirrors are converging mirrors.
Displacement


22. S.I. unit of every kind of energy
Longitudinal Wave: Sound wave - Transverse Wave: Light wave - 'The Wave' in a a crowd at a porting event.
Joule
No image.
E=hf=hc/(wavelength)


23. What is temperature?
The measure of the average kinetic energy of the molecules.
Impulse is the change in momentum
Longitudinal Wave: Sound wave - Transverse Wave: Light wave - 'The Wave' in a a crowd at a porting event.
Converging lenses have a positive focal length.


24. What kind of capacitor circuit adds to find the total capacitance?
The PVT conditions change for a gas without changing the temperature.
Parallel. Because the plates are shared.
Electric potential is the potential energy associated with the electric force F=qE
It is the time for 1/2 a substance to decay by radioactive processes.


25. What is the energy equation for the change in temperature if it results from a loss in KE?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


26. What is needed for electromagnetic induction to occur?
Atomic mass number minus atomic number.
Converging lenses have a positive focal length.
Electromagnetic induction occurs when a conductor is moved through a magnetic field such that a component of the fields is perpendicular to the current;s direction.
E=kq/r^2 This is the electric field's magnitude at a point in space.


27. What is internal energy?
No image.
The motion of the molecules in gas.
Diverging lenses have a negative focal length.
ROY-G-BIV: Red - Orange - Yellow - Green - Blue - Indigo - Violet


28. The 'V' is (rho)Vg
A displacement must occur. ( W=Fd)
The volume under water
Radio - Infrared - Visible - UltraViolet - X-Rays - Gamma Rays.
Concave


29. What is acceleration?
In front of the mirror - in the light.
Open right hand rule
Dark in the middle and alternating light and dark spots after that.
How quickly you change velocity.


30. What is the direction of the centripetal force?
Initial velocity
The centripetal force points along the radius towards the center of the circle.
Same number of protons by a different number of neutrons. e.g. Carbon-12 versus Carbon-14
Change in voltage across the resistor or capacitor.


31. What is the difference between elastic and inelastic collisions? State the relevant equations for each.

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


32. Formula for the electric field between a pari of charged plates.
E=V/d
Lenses that are fatter in the middle than on the edges.
The higher the temperature the higher the resistance. They are proportional to each other.
Weight ...w=mg


33. Under what conditions is mechanical work negative?
Impulse
system is the gas being studied. Environment is the surroundings outside the gas.
Work is positive when the force and displacement point in the same direction.
Work is the change in kinetic energy. Work transfers energy to and from a body


34. When is the image negative for a lens?
Work is positive when the force and displacement point in the same direction.
When it is on the same side as the image?
F=qE
Sum of the torques equal zero.


35. What do you know about two objects that are launched at different horizontal velocities?
Work
Joule
They fall - vertically - the by the same amount in the same time.
It is towards the center and downwards a little. It is the sum of the normal force perpendicular to the bowl and the weight downwards.


36. What is the area under the acceleration versus time graph?
x=Vo + ((1/2)g)sin(angle)t^2
The NET work BY a system is the area enclosed in a cycle on a PV diagram.
The CHANGE in velocity.
(1) Straight through the vertex. (2) Parallel then through the primary focus.


37. What is force times time?
Dark in the middle and alternating light and dark spots after that.
Impulse
Statistically speaking - energy flows from hot to cold.
Watt


38. Formula for work as a charged particle travels across two charged plates
2(pi)R/T ...Circumference/Period
Work of a system is equal to 1-Qc/Qh
W=qV
The electron


39. How is the centripetal force represented in a free body diagram?
It is the net force pointing towards the center.
Newton
In front of the mirror - in the light.
Work


40. What stays the same for resistors or capacitors in parallel?
ROY-G-BIV: Red - Orange - Yellow - Green - Blue - Indigo - Violet
Change in voltage across the resistor or capacitor.
Convex
It is the net force pointing towards the center.


41. What does the term electric potential energy mean?
Adding the momentum of all the bodies.
Electric potential is the potential energy associated with the electric force F=qE
They fall - vertically - the by the same amount in the same time.
the refracted ray bends TOWARDS the normal line.


42. Energy of a SINGLE photon
(mg)sin(angle)
Vertical direction
Joule
E=hf


43. When is the image negative for mirrors?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


44. What are the three types of radiation?
Electromagnetic wave exits the electrons to a higher orbital. When the electron relaxes - a wavelength of light is given off.
Provided experimental proof of the wave property of light.
Alpha - Beta - and Gamma
The centripetal force points along the radius towards the center of the circle.


45. When is sum of force (net force) NOT zero?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


46. This is the gauge pressure when under water.
Entropy always increases.
(rho)gh
Obstacles in the path of the flow of charges.
Pgh ..thats ('rho')(gravity's acceleration)(height)


47. What are 2 key differences between electric force and gravitational force?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


48. Under what conditions does entropy increase?
x=Vo + ((1/2)g)sin(angle)t^2
W=qV where 'W' is the work - 'q' is the charge and 'V' is the potential difference measured in Volts.
Entropy always increases.
The particle travels in a circle. Radius=momentum/qB


49. What comprises alpha radiation?
Watt
KE=(3/2)kT where k is Boltzman's constant
The release of a Helium nuclei - 4 -2 He2+
Bends waves around small objects and the interference of waves from a coherent sources.


50. Define Refraction
'm' is replaced by 'q -' and 'g' is replaced by 'E.' W=mg is replaced by F=qE. The second formula describes the force on a charged particle in uniform electric field.
The bending of light
the refracted ray bends TOWARDS the normal line.
Convex