NEW
Font size
WorksheetsPhysics Final 2023
Total questions: 48
Worksheet time: 24mins
1. three resistors with values of R1, R2, and R3 are connected in series. Which of the following expresses the total resistance, Req, of the three resistors?
60
40
20
45
3. The force that maintains an object in its circular path is called _____.
centripetal
slideral
occupational
fortical
4. What is happening in diagram "b"?
mirror
defraction
reflection
refraction
5. E=_____
12
6
2
24
6. Compare the brightness of the bulb in Circuit 1 with that in Circuit 2. Which bulb is brighter?
1
2
equal
neither
7. Compressions and rarefactions are characteristics of
waves
all waves
longitudinal waves
latitutidal waves
8. Considering the following cicuits. Which circuit(s) above represent(S) a circuit consisting of two light bulbs in parallel with a battery?
A
B&C
A&B
A&C
9. It=___
1
2
3
4
10. Which number represents the Angle of Incidence?
1
3
5
7
11, Which of the following has the least amount of energy?
radio
gamma
x-ray
thermal
12. Which wave has the same frequency as Wave A?
A
B
C
D
13. The time it takes for a wave to complete one wave cycle is the wave's...
length
height
period
14. Three resistors with values R1, R2, and R3 are connected in parallel. Which of the following expresses the total resistance, Req, of the three resistors?
Req=(1/R1 + 1/R2 + 1/R3) ^-1
Req=(1/R1 - 1/R2 - 1/R3) ^-1
Req=(1/R1 x 1/R2 x 1/R3) ^-1
Req=(1/R1 / 1/R2 / 1/R3) ^-1
15. Two football players sitting next to each other exert a gravitational force, F, on each other. They remove their pads, so that the mass of each player becomes one-half of his original value. Which of the following represents the present gravitational force between the players?
1/8F
1/4F
1/3F
1/2F
16. The word centripetal means ___.
center wanting
outside seeking
center seeking
outside wanting
17. When a negatively charged balloon is placed against a non-conducting wall, positive charges in the wall are___.
repelled from the balloon
attracted to the balloon
18. Which term is denoted by the letter "A" in figure 2?
wave speed
wave height
wavelength
amplitude
19. Which law of physics do you use t conclude that the total charge remains the same before and after objects are charged by friction or contact?
conservation of charge
conservation of energy
law of conservation of mass
low of sines
20. 212° is the boiling point of water
celcius
fahrenheit
21. According to Newton's Law of Universal Gravitation, if the distance between two objects is doubled, how much does the force felt between them change?
2 x
1/4x
4x
1/2x
22. What is happening in diagram "A"?
refraction
reflection
deffraction
23. How many antinodes are in the standing wave pictured above?
2
4
6
8
24. What happens as the balloons are brought closer to one another without actually touching?
repel more
attract more
repel less
attract less
25. The hertz is a unit of ___?
1/sec
1/hr
1/min
26. Accerleration of an object moving around an object is called...
centripital
gravitational
momentum
frictional
27. Metals are good conductors because they
allow protons to move freely
allow neutrons to move freely
block transfers
allow electrons to move freely
28. Two charged spheres are 16cm apart. If the spheres are moved clsoer to each other so that theya re 8cm apart, how will the force between them change?
4x force
16x force
8x force
1/2 force
29. When we say charged is conserved, we mean that charge can...
move from one location to another
be created
be destroyed
Newton's Law of Universal Gravitation says that as an object's mass increases, the force it exerts will
increase
decrease
stay the same
be divided by 2
31. Which area labeled represents a rarefraction?
A
B
both
neither
32. Which term is denoted by the letter "B" in figure 1?
crest
amplitude
wavelength
period
33. When radio waves are compared with visible light,
same height
same speed
radio is faster
radio is slower
34. Which line is the reflected ray?
2
4
6
8
35. Which term is denoted by the letter "A" in figure 1?
amplitude
period
wave
wavelength
36. What is happening in diagram "C"?
deffraction
reflection
refraction
deflection
37. In the problem, "Calculate the centripetal force of a 2kg ball circulating at 2 m/s rounding ina 2m radius string", what is appropriate equation to solve for the unknown?
(2(2)^2)/2 =4N
8/2= 4N
4x2x.5=4
2(2)/2
38. Compared to wave A, which wave has a shorter wavelength but the same amplitude?
A
B
C
D
39. What unit is used to measure charge?
hertz
mole
kelvin
coulomb
40. Electrical forces between charges are strongest when the charges are___.
closer together
further apart
41. Which diagram represents an electrical field between two positively charged spheres?
a
b
c
d
42. I t=___.
6
7
4
3
43. A wave is traveling through air with a velocity 50 m/s. The wavelength of the wave is 1.25 m. Calculate the frequency of the wave.
50
40
10
5
44. 0 degrees is the boiling point of water
farhenheit
celcius
45. What is the formula for ohms law?
V=IR
V=R
I=V
47. How many wavelengths are shown in the wave above?
1
2
3
4
48. You see lightning before you hear thunder because speed of light is faster than speed of sound.
True
False
49. Which of the following has the highest frequency?
Light
Xray
Radio
Gamma
50. With a resistance of 5 and a current of 2, find the voltage.
10
7
3
100
