Quiz about Thermo/Waves Exam

Question 1

Seismic waves and light waves are similar because

Accepted Answer

They are both transverse waves.

Answer

Both need a medium to travel.

Answer

They have no similarities, actually.

Answer

They are both compressional waves.

Question 2

A wave travels a speed of 4 m/s and has a frequency of 3.5 Hz.  What is the wavelength?

Accepted Answer

1.14 m

Answer

0.88 m

Answer

14 m

Answer

7.5 m

Question 3

How much time passes between each wave cycle?

Accepted Answer

4 seconds

Answer

1 second

Answer

2 seconds

Answer

6 seconds

Question 4

Which of the following is true when comparing the two graphs below?

Accepted Answer

Wave B has a greater amplitude.

Answer

Wave A has a greater amplitude.

Answer

Wave A has a greater frequency.

Answer

Wave B has a greater frequency.

Question 5

The law of reflection says that

Accepted Answer

the angle of reflection from a mirror equals the angle of incidence.

Answer

all waves incident on a mirror are reflected.

Answer

waves incident on a mirror are partially reflected.

Answer

the angle a ray is reflected from a mirror is random.

Question 6

This type of heat transfer uses a ceiling fan to circulate warm air throughout a house.

Accepted Answer

Convection

Answer

Conduction

Answer

Contortion

Answer

Radiation

Question 7

How many types of heat transfer are there?

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Question 8

The sun is a great example of which of the following types of heat transfer?

Accepted Answer

Radiation

Answer

Conduction

Answer

Contortion

Answer

Convection

Question 9

After taking a hot shower, James steps out of the shower on to the tile floor. The tile floor felt cold to his feet. Which explanation below best describes James' experience?

Accepted Answer

Heat from his feet is transferred to the tile floor.

Answer

Heat from the tile floor is transferred to his feet.

Answer

Cold from the tile floor is transferred to his feet.

Answer

Cold from his feet is transferred to the tile floor.

Question 10

Which of the following best describes the application of the first law of thermodynamics in a star?

Accepted Answer

The energy produced through nuclear fusion in a star is converted into heat and radiated as light, maintaining energy conservation.

Answer

The energy produced in the core of a star is lost to space and does not contribute to the star's luminosity.

Answer

The energy output from a star decreases as the star ages, with no increase in internal energy.

Answer

A star undergoes no energy loss or gain as it evolves.

Question 11

Which of the following describes the second law of thermodynamics?

Accepted Answer

For a spontaneous process, the entropy of the universe increases.

Answer

Heat disperses faster that it is created.

Answer

Heat travels from cold to hot.

Answer

All women have a body temperature 2 degrees lower than their male counterparts.  This explains why they are always cold.

Question 12

How does the second law of thermodynamics explain the overall evolution of the universe?

Accepted Answer

Over time, entropy increases, leading to the eventual "heat death" of the universe.

Answer

The universe will eventually reach a state of maximum energy concentration.

Answer

Entropy in the universe is always decreasing, leading to an increase in order.

Answer

Energy in the universe is conserved but can transform between different types without affecting overall disorder.

Question 13

Absolute zero is a temperature where no heat or motion exists down to the particle level.  Which of the following scales does 0 degrees mean Absolute Zero?

Accepted Answer

Kelvin

Answer

Fahrenheit

Answer

Celsius

Answer

NOAA

Question 14

Which letter is pointing to the trough?

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 15

Which letter is pointing to the amplitude of the wave?

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 16

If a wave's frequency doubles, its wavelength

Accepted Answer

is halved.

Answer

is also doubled.

Answer

is unchanged.

Answer

is now 4 times longer.

Question 17

A wave's velocity is the product of the

Accepted Answer

frequency times the wavelength of the wave.

Answer

frequency times the period of the wave.

Answer

period times the energy of the wave.

Answer

amplitude times the frequency of the wave.

Question 18

The number of waves passing the observer per second is:

Accepted Answer

the frequency in Hertz.

Answer

the wavelength in angstronms.

Answer

the amplitude in nanometers.

Answer

the period in seconds.

Question 19

Both sound waves and electromagnetic radiation

Accepted Answer

transfer energy.

Answer

trael at the speed of light.

Answer

require a medium to move through space.

Answer

can move through space without a medium.

Question 20

What property of the wave is represented by the letter "B"?

Accepted Answer

amplitude

Answer

crest

Answer

trough

Answer

wavelength

Question 21

What property of this wave is represented by the letter "A"

Accepted Answer

wavelength

Answer

amplitude

Answer

crest

Answer

trough

Question 22

2. What property of a wave is represented by letter B?

Accepted Answer

A. Wavelength

Answer

B. Amplitude

Answer

C. Speed

Answer

D. Frequency

Question 23

3. What property of a wave is represented by letter C?

Accepted Answer

D. Frequency

Answer

A. Wavelength

Answer

B. Amplitude

Answer

C. Speed

Question 24

The _______ of a wave is how many waves pass a given point every second.

Accepted Answer

Frequency

Answer

Wavelength

Answer

Amplitude

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