Free Printable Physics B Final Test Review

1.

What is the frequency of the 4 harmonic in Hz of a note played at a velocity off 331 m/s if the length of a OPEN ended air column is 0.309 m?

$f_4=4\cdot\left(\frac{v}{\left(2\cdot L\right)}\right)$

2.

What is the fundamental frequency in Hz of a note played at a velocity of 331 m/s if the length of the closed ended air column is 0.364 m?

For this question you will need to use the following equation: $f_1=1\cdot\left(\frac{v}{\left(2\cdot L\right)}\right)$

3.

(a) is the rate at which energy flows through a unit area perpendicular to the wave motion.

4.

What is the period of a wave in seconds that has a frequency of 376 Hz? Remember that $T=\frac{1}{f}$

5.

The speed of a wave remains the same until it ________.

a)

reaches a new medium

b)

changes its frequency

c)

changes its wavelength

d)

is destroyed

6.

As you increase the frequency of a wave, the wavelength ________.

a)

increases

b)

remains the same

c)

is destroyed

d)

decreases

7.

In a transverse wave, the distance between one point and its identical point on the next wave is called __________.

a)

amplitude

b)

wavelength

c)

frequency

d)

energy

8.

In a transverse wave, the high point that particles reach from the midline is referred to as the ________.

a)

amplitude

b)

trough

c)

crest

d)

frequency

9.

In a transverse wave, the low point that particles reach from the midline is referred to as the ________.

a)

amplitude

b)

trough

c)

crest

d)

frequency

10.

In a transverse wave, ________ is the distance from the midline(equilibrium) to the top or bottom point of a wave.

a)

amplitude

b)

trough

c)

crest

d)

frequency

11.

In a _____ wave, the particles move parallel to the wave energy propagation.

a)

water

b)

earthquake

c)

longitude

d)

transverse

12.

In a _____ wave, the particles move perpendicular to the wave energy propagation.

a)

water

b)

earthquake

c)

longitude

d)

transverse

13.

A ________ is the region of a longitudinal wave in which the density and pressure are greater than normal.

a)

rarefaction

b)

crest

c)

trough

d)

compression

14.

A ________ is the region of a longitudinal wave in which the density and pressure are lower than normal.

a)

rarefaction

b)

crest

c)

trough

d)

compression

15.

A sound wave propagates outward in which of the following wave types?

a)

compressional or longitudinal waves

b)

Transverse waves

c)

water waves

d)

electromagnetic waves

16.

The only variables that affect the period of a simple bob pendulum is (a) .

17.

A mass of 1.18 kg attached to a spring and is set into a simple vibration motion. The spring constant is 287.13 N/m. What is the period, or time it takes to complete one cycle of oscillation? $T=2\pi\sqrt[]{\frac{m}{k}}$

18.

A simple bob pendulum has a length of 1.05 m. What would be the period of the pendulum on Earth. Remember that he acceleration due to gravity on Earth is 9.81m/s^2.

$T=2\pi\sqrt[]{\frac{L}{g}}$

19.

What was the restoring force on a string that has a spring constant of 374 N/m that is stretched 0.4 m? $F=-kx$

20.

A sound wave traveling through the air with a wavelength of 1.11 m and pitch of 316.44 Hz. What is the speed of the sound wave? $v=f\cdot\lambda$

21.

_______ is when two sounds interfere with one another in which you have constructive and destructive interference creating a variations from soft to low and back to soft repeatedly.

a)

intensity

b)

refraction

c)

diffraction

d)

beats

22.

T or F, sound can travel without a medium.

a)

True

b)

False

23.

Which of the is the apparent shift in frequency of a sound wave based on the source or observers movement?

a)

harmonics

b)

beats

c)

doppler effect

d)

intensity

24.

In you own words, explain the difference between reflection, refraction, and diffraction.

4 lines

25.

In your own words, describe the law of reflection

4 lines

26.

In your own words, describe what is happening when light is refracted as it enters a new medium. Be sure to mention whether when it speeds up and when it slows down.

4 lines

27.

The distance between two slits is 3.122*10⁴ nm and the second-order bright fringe is found at angle of 2.186 degrees on the view screen. What is the wavelength of the light in nm with 3 significant figures?

Constructive interference:

Where m will = 0,1,2, 3, or ...the path difference between two waves = an integer multiple of the wavelength $d\sin\theta=\pm m\lambda$

a)

595 nm

b)

595 nm

c)

1190 nm

28.

An object is 29 cm away from a converging mirror's surface along the principal axis. If the mirror's focal length is 9.5 cm, how far away is the corresponding image?

Remember: $q=\left(\frac{1}{f}-\frac{1}{p}\right)^{-1}$

a)

12 cm

b)

14 cm

c)

29 cm

d)

36 cm

29.

______ is the process of separating out polychromatic light into the different colors of light.

a)

total internal reflection

b)

critical angle

c)

dispersion

d)

interference

30.

What is the electric force between a proton and an electron that is 0.00078 m away? And is the force attractive or repulsive? Remember: $F=\frac{\left(9\cdot10^9\right)\left(1.6\cdot10^{-19}\right)\left(-1.6\cdot10^{-19}\right)}{\left(.00078\right)^2}$

31.

What is the potential difference between a point at infinity and a point 2.21*10^-14 m from a point charge of 1.6*10^-19 C? $\Delta V=\frac{\left(9\cdot10^9\cdot q\right)}{r}$

a)

-6.52*10^4 V

b)

1.3*10^5 V

c)

6.52*10^4 V

d)

-1.3*10^5 V

32.

What is the potential difference in a uniformed electric field of -200 N/C at .180 m away?

$\Delta V=-Ed$

a)

3.6*10^1 V

b)

-3.6*10^1 V

c)

1.20*10^1 V

d)

2.40*10^1 V

33.

What is the relationship between the capacitance of a capacitor and the area of it's plates? $C=\frac{\left(\Sigma_pA\right)}{d^{ }}$

a)

inverser

b)

direct

c)

exponent

d)

no relation

34.

What is the relationship between the capacitance of a capacitor and the distance between it's plates? $C=\frac{\left(\Sigma_pA\right)}{d^{ }}$

a)

inverser

b)

direct

c)

exponent

d)

no relation

35.

Electrons are basically tiny magnets. Flowing electrons generate a magnetic field. Then why is all matter magnetic?

a)

atoms must have unfilled or half filled electron shells

b)

there must be collections of atoms that have all the spins of electrons in the same direction

c)

the domain lines must all be aligned

d)

electrons don't move in matter.

36.

What is the Electric potential energy in an uniform electric field of a 1.84*10^-19 C charge, if the strength of the field is 270.1 N/C at 0.029 m away from the charge? $PE_{electric}=-qEd$

a)

-4.96*10^-17 J

b)

1.44*10^-18 J

c)

-1.44*10^-18 J

d)

4.96*10^-17 J

37.

What is the total charge of 3 Na⁺ ions? remember that $e=1.6\cdot10^{-19}$

a)

1.6*10^-19

b)

-1.6*10^-19

c)

3.20*10^-19

d)

4.8*10^-19

38.

A 0.25 µF capacitor is connected to a 9.0 V battery. What is the charge on the capacitor?

Remember that the equation is $C=\frac{Q}{\Delta V}$

Also you Capacitance must be in F, and 0.25 µF = 2.5 x 10^-7 F

You will be solving for Q because Q = charge.

a)

1.2*10^-12 C

b)

2.25*10^-6 C

c)

2.5*10^-6 C

d)

2.8 *10^-6 C

39.

Compare and contrast gravitational force and electric force.

4 lines

40.

How many forces of nature are there?

a)

3

b)

1

c)

4

d)

5

41.

List the forces of nature

4 lines

42.

What de Broglie say about all matter?

4 lines

43.

The mass of the nucleons when unbound minus the mass of the nucleus when bound is called (a) and is expressed as $\Delta m$ .

44.

The energy released when unbound nucleons come together to form a stable nucleus.

a)

strong force

b)

mass defect

c)

binding energy

d)

weak force

45.

All matter is made up of which types of particles?

a)

hadrons

b)

leptons

c)

neither of these

d)

both

Physics B Final Test Review

Total questions: 45

Worksheet time: 1hrs 10mins

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