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 cause an electromagnetic wave - and what makes the wave propagate indefinitely even in a vacuum?
ZERO. Because the force is perpendicular to the displacement . (Open right hand rule.)
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.
Magnitude and direction
Converging lenses have a positive focal length.


2. Buoyancy
(Cross-sectional Area)(Velocity)
The acceleration is towards the center. It is supplied by the normal force and points towards the center.
Force lifting a body when it is in a fluid.
N•m


3. What is heat?
Concave mirrors are converging mirrors.
W = KE:final - KE:initial
The transfer of thermal energy
Displacement


4. A ball rolls inside a salad bowl. The ball is released along the top edge and rolls down before climbing to the same height on the opposite side of the bowl. What is the direction of the acceleration of the ball when it at the bottom of the bowl?
E=hf=hc/(wavelength)
Alpha - Beta - and Gamma
Convex
The acceleration is towards the center. It is supplied by the normal force and points towards the center.


5. How is the force on a charged particle in a magnetic field creating the path calculated?
The charge on each capacitor.
The force is perpendicular to the motion. This always results in a curved path. (Open right hand rule)
It is the time for 1/2 a substance to decay by radioactive processes.
When a body is moving at a constant velocity or not moving at all.


6. S.I. unit of momentum
kg•m/s
(1) Bounced off the vertex. (2) Parallel the through the focus. (3) Through the focus and parallel.
The refracted light ray is bent 90°. (Parallel to the interface surface.)
Work is the change in kinetic energy. Work transfers energy to and from a body


7. In a pendulum or spring - what are the displacement - velocity - PES - and K at maximum displacement?
The NET work BY a system is the area enclosed in a cycle on a PV diagram.
ZERO
G(M:earth)/r^2 ...force of gravity = G(M:earth)(M:body)/r^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.


8. Which type of radiation has the highest energy?
velocity
The incoming light (electromagnetic wave) has the same frequency as some of the electrons.
Gamma
When the body rests on a surface.


9. Continuity equation
m^3/s
But placing more obstacles in the path of the charge's flow.
Joule
A1v1=a2v2


10. When is a normal force present - what is its direction?
When the body rests on a surface.
Gamma
Work is positive when the force and displacement point in the same direction.
PV=nRT and PV=kT


11. What did Rutherford discover?
The nucleus
Light must travel from more to less dense so the refracted ray can bend away from the normal.
Change in voltage across the resistor or capacitor.
Potential difference is the change in energy of a charged particle divided by its charge.


12. How is tube length and wavelength related for a tube that is opened on both ends?
The centripetal force points along the radius towards the center of the circle.
Zero. Because the displacement is perpendicular to the force (centripetal force.)
Only 1/2 a wavelength fits in the tube. L=wavelength/2
frequency (Think of the color as not changing.)


13. What is the electric field's magnitude inside of a container made from an electrical INSULATOR?
Something other than zero.
The Law of reflection states that the incident angle of a wave is equal to the reflected angle.
DU = Q+W ...dU:of the environment = Q:from the environment + W:by the environment
The engine's efficiency is 1-Tc/Th. It is defined by the temperature's in the reservoirs and not the thermal energy flowing from them.


14. What is the second law of thermodynamics?
the refracted ray bends AWAY from the normal line.
Statistically speaking - energy flows from hot to cold.
Kinetic energy is conserved for an elastic collision and not for an inelastic collision. ELASTIC: m1v1 + m2v2 = m1v1'+m1v2': INELASTIC: m1v1 + m2v2 = (m1+m1)v
E=hf


15. What are the three types of radiation?
The electron
Displacement is zero because it is measured from equilibrium position. KE and velocity are at a maximum and it is the lowest point so PE due to gravity is at zero.
Work is positive when the force and displacement point in the same direction.
Alpha - Beta - and Gamma


16. What stays the same for capacitors in series?
G(M:earth)/r^2 ...force of gravity = G(M:earth)(M:body)/r^2
The charge on each capacitor.
W=qV where 'W' is the work - 'q' is the charge and 'V' is the potential difference measured in Volts.
The force is perpendicular to the motion. This always results in a curved path. (Open right hand rule)


17. If you have two charges - and you double one charge and triple the other - and move them twice as far apart - what happens to the force of attraction / repulsion between them?

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


18. What two things must be true for a positive magnification?
(1) The image is larger than the object: ho>hi. (2) image is upright.
(rho)gh
The longer the length of wire - the higher the resistance.
V=Vo + at ...The word 'dropped' means no initial velocity.


19. S.I. unit of flux
Work
Statistically speaking - energy flows from hot to cold.
Weber
Converging lenses have a positive focal length.


20. What is the energy equation if you see a height difference between two points in the problem?
Potential energy stored in gravity (PE = mgh)
The release of a Helium nuclei - 4 -2 He2+
The higher the temperature the higher the resistance. They are proportional to each other.
Moment arm


21. A ball rolls inside a salad bowl. The ball is released along the top edge and rolls down before climbing to the same height on the opposite side of the bowl. What is the direction of the acceleration of the ball when it at the top edge of the bowl?
system is the gas being studied. Environment is the surroundings outside the gas.
The graph of force vs displacement
Electric potential is the potential energy associated with the electric force F=qE
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.


22. What is the relationship between speed - frequency - and wavelength?
wave speed = (wavelength)(frequency)
Current stays the same for resistors in series.
Adding the momentum of all the bodies.
Weber


23. What kind of mirror has a positive focus?
The body is moving at a constant velocity
Current stays the same for resistors in series.
Every point on a wave front is a secondary source.
Concave


24. Formula for work by a car that changes speed on a horizontal road.
A reflected ray's phase is changes by 180° when the ray is bounced as it tries to travel from a lower to higher index of refraction. It is also changed y 180° when it bounces off of shiny surfaces.
W = KE:final - KE:initial
The graph of force vs displacement
Work is positive when the force and displacement point in the same direction.


25. Define reflection
Converging lenses have a positive focal length.
The bouncing of light
The thicker the wire - the lower the resistance.
Vx=(Vxo)t ...Recall that there is no acceleration in the horizontal direction.


26. What is acceleration?
W=qV
Broad bright spot in the middle and alternating dark and light spots to the sides.
A potential difference and a flow and energized charges.
How quickly you change velocity.


27. What is electromagnetic induction?
Light must travel from more to less dense so the refracted ray can bend away from the normal.
dU = zero. The change in temperature of the gas is zero.
Electromagnetic induction is the generation of an Emf by moving a conductor through a magnetic field. emf=change in flux/dt
Statistically speaking - energy flows from hot to cold.


28. What is the impact on the first law of thermodynamics for an isothermal process?
dU = zero. The change in temperature of the gas is zero.
Joule
The electron
Speed ups


29. What is the relationship between voltage - current and resistance?

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


30. What equation describes the distance that a horizontally launched projectile falls t seconds after it started moving?
W=qV where 'W' is the work - 'q' is the charge and 'V' is the potential difference measured in Volts.
x=(1/2)at^2 ...Horizontal velocity does not affect the time of fall.
The higher the temperature the higher the resistance. They are proportional to each other.
Emf is the maximum available energy per charge at the terminal of a power source. Voltage is the actual available energy per charge at the terminals of a power source. Some energy is lost due to the source internal resistance.


31. S.I. unit of centripetal force
Force= Pressure/Area
The incoming light (electromagnetic wave) has the same frequency as some of the electrons.
Newton
ROY-G-BIV: Red - Orange - Yellow - Green - Blue - Indigo - Violet


32. What does the pattern look like in a Young's Double Slit diffraction pattern?
Dark in the middle and alternating light and dark spots after that.
E=V/d
Joule
The NET work BY a system is the area enclosed in a cycle on a PV diagram.


33. What is the horizontal acceleration of projectiles?
Joule
The higher the temperature the higher the resistance. They are proportional to each other.
ZERO
(1) Bounced off the vertex. (2) Parallel the through the focus. (3) Through the focus and parallel.


34. What is conservation of energy and what is its significance?
Sum of all the energy forms before a condition equals the sum of all the energy forms after the condition.
Potential energy stored in gravity (PE = mgh)
the refracted ray bends AWAY from the normal line.
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.


35. Which kind of lens always has a virtual image?
kg•m/s
Newton
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.
Diverging


36. What comprises alpha radiation?
The charge on each capacitor.
Velocity has a direction and speed does not have direction.
(n1)sin(theta1) = (n2)sin(theta2)
The release of a Helium nuclei - 4 -2 He2+


37. What causes resistance?
Obstacles in the path of the flow of charges.
The movement of charges is the current and it is measures by the number of charges per second at a point.
Moment arm
Electromagnetic wave exits the electrons to a higher orbital. When the electron relaxes - a wavelength of light is given off.


38. What is the work done on a charged particle by the magnetic field? Why?
The work function is a minimum amount of energy needed to release a photon from a collection in the surface of a material. The ionization energy is the energy needed to release an electron from a single - free-floating - molecule. the ionization ener
ZERO. Because the force is perpendicular to the displacement . (Open right hand rule.)
The refracted light ray is bent 90°. (Parallel to the interface surface.)
Convex


39. What is the y intercept of the velocity time graph?
Displacement is zero because it is measured from equilibrium position. KE and velocity are at a maximum and it is the lowest point so PE due to gravity is at zero.
The initial velocity - (Vo in the formulas)
Only 1/2 a wavelength fits in the tube. L=wavelength/2
The Law of reflection states that the incident angle of a wave is equal to the reflected angle.


40. Under what conditions is heat negative?

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


41. What is work energy theorem and what is its significance?
Newton
Work is the change in kinetic energy. Work transfers energy to and from a body
When it is on the same side as the image?
When the body rests on a surface.


42. What does the pattern look like in a Young's Single Slit diffraction pattern?
Entropy always increases.
Newton
Broad bright spot in the middle and alternating dark and light spots to the sides.
The centripetal acceleration points along the radius towards the center of the circle. (Just like the centripetal force.)


43. What equation describes the distance that a dropped object falls 't' seconds after it started moving?

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


44. S.I. unit of frictional force
Radio - Infrared - Visible - UltraViolet - X-Rays - Gamma Rays.
KE=Work
Light must travel from more to less dense so the refracted ray can bend away from the normal.
Newton


45. What is the relationship between power - voltage and current?
P=IV
Gamma
No image.
W=qV


46. What is the energy of a photon?

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


47. Condition for no rotation
The velocity is positive
Sum of the torques equal zero.
Velocity has a direction and speed does not have direction.
The nucleus


48. Under what conditions is work by a system ( gas) negative?
G(M:earth)/r^2 ...force of gravity = G(M:earth)(M:body)/r^2
Work by a system is negative when the gas contracts. (The volume decreases.)
Impulse is the change in momentum
Same number of protons by a different number of neutrons. e.g. Carbon-12 versus Carbon-14


49. Which type of lenses have a NEGATIVE focal length?
Diverging lenses have a negative focal length.
The longer the length of wire - the higher the resistance.
That the orbits of the electrons are like planets around the Sun.
The thicker the wire - the lower the resistance.


50. This is the gauge pressure when under water.
(rho)gh
Light must travel from more to less dense so the refracted ray can bend away from the normal.
Electromagnetic wave exits the electrons to a higher orbital. When the electron relaxes - a wavelength of light is given off.
According to Coulomb's Law - the new force is 6/4 times the old charge.