Rosevale School
Xavier Estates Phase 4, Cagayan de Oro City
High School Department
PHYSICS 7
Third Quarter 34
Written Test 2
Name:__________________________________________________________________________________
VOM: __________________________________ Date:__________________________________________
Teacher: _______________________________ Parent’s Signature:___________________________
Class Motto: ____________________________________________________________________________
TEST 1. MULTIPLE CHOICE
Directions: Choose the best answer for each multiple choice question. Write the best answer on the blank.
For items 1 to 2, consider the diagram below. D. None of the above
_____6. In a transverse wave, the individual
particles
of the medium-
A. move in circles
B. move in ellipses
C. move parallel to the direction of travel
D. move perpendicular to the direction of travel
_____1. The wavelength of the wave in the diagram _____7. The higher the frequency of a wave,
above is given by what letter? A. the lower its speed
B. the longer its period
_____2. The amplitude of the wave in the diagram C. the greater its amplitude
above is given by what letter? D. the shorter its wavelength
_____3. Indicate the interval that represents a half _____8. Of the following properties of a wave, the
wavelength. one that is independent of the others is its-
A. amplitude C. wavelength
B. wave speed D. frequency
_____9. Waves in a lake are 5.00 m in length and
pass an anchored boat 1.25 s apart. What is
speed of the waves?
A. 0.25 m/s
B. 4.00 m/s
A. A to E C. A to B C. 6.25 m/s
B. B to F D. C to E D. impossible to find from the information given
_____4. A pulse sent down a long string eventually _____10. Energy from the sun reaches the earth
dies away and disappears. What happens to through-
its energy? A. infrared waves C. mechanical waves
A. The pulse does not carry energy. B. ultraviolet waves D. electromagnetic
B. The energy disappears with the wave. waves
C. The energy is remains along the length of
the string. _____11. Which of the following indicates the
D. The energy is transferred from the wave to amount
the environment. of energy wave carries?
A. amplitude C. velocity
_____5. Mechanical waves transport energy from B. frequency D. vibration
one place to another through-
A. Alternately vibrating particles of the medium _____12. Which term refers to the number of waves
B. Particles traveling with the wave
passing a given point for a given time?
C. Vibrating particles and traveling particles
A. amplitude C. wave speed
1
THE ENERGY YOU PUT INTO THE WORLD COMES BACK.
B. frequency D. wavelength _____15. In which waves do the particles of the
medium vibrate parallel to the direction of the
motion of the waves?
_____13. Which waves require a medium through
which they will travel? A. electromagnetic waves C. mechanical waves
A. longitudinal waves C. both A and B B. longitudinal waves D. transverse waves
B. mechanical waves D. none of these
_____14. If there is a tsunami, ocean wave may _____16. In a medium, what happens if the
reach 20 meters high. What does this height frequency increases?
represent? A. speed descreases C. speed increases
A. amplitude C. wave speed
B. frequency D. wavelength B. wavelength decreases D. wavelength
increases
TEST 2 ILLUSTRATING
Directions: Draw ta transverse and a longitudinal wave. Label their parts. (3 points each)
Transverse Wave (5 points each) Longitudinal Wave (2 points each)
TEST 3 PROBLEM SOLVING
Directions: Solve each problem or do as indicated below. Show your complete solutions. You may use the
back of this page.
1. What is the difference between a mechanical and longitudinal wave? (2 pts)
2. How will the wavelength of a wave be affected if its speed increases and its frequency remains the
same? (2 pts)
3. An earthquake wave has a frequency of 25 Hz and a wavelength of 60 km. How fast is the wave
morning? (2 pts)
4. The speed of the ocean wave is 5 m/s. The length between two waves crests is 1.5 m. What is the
frequency of the wave? ( 2 pts)
5-6. Complete the table below that relates the speed, wavelength, frequency, and period of a wave. (4 pts)
Speed (m/s) Wavelength (m) Frequency (Hz) Period (s)
3 4
2
THE ENERGY YOU PUT INTO THE WORLD COMES BACK.
6 8
3
THE ENERGY YOU PUT INTO THE WORLD COMES BACK.
