Quarter 4 Summative Assessment 3 in Physical Science
(Covering Modules 5 and 6)
1.
If you have a white light source and are able to subtract yellow from it, you will be left with______.
d. Magenta
a. Blue
b. Red
c. Green
2.
Light travels more quickly in
a. Metals
b.
Warm air
c.
Cool air
d.
Metalloids
3.
Mirages are more common in
a. Rainforests
b.
Dry forests
c.
Deserts
d.
Highlands
4.
It is a form of electromagnetic (EM) radiation that is observable to most human eyes.
a. Ultraviolet light
c. Gamma rays
b. Visible light
d. Infrared waves
5.
Which one of the following is NOT an everyday application of the refraction of light?
a. Water in a swimming pool appearing to be less than it is
b. Make up or shaving mirror
c. Mirage on a hot day
d. A rainbow
6.
Robert arranged a torch, two cards and a screen as shown in the diagram. Light from the torch passed through holes
in the cards and onto the screen. Why did a spot of light appear on the screen?
a. Light can be split up into many colours
c. Light travels in straight lines
b. Light travels quickly
d. Light can travel through empty space
7.
What other names are used to mean the light phenomenon halo? Choose all that apply.
I. rainbow
II. gloriole
III. icebow
IV. nimbus
a. I and II
b. I, II and III
c. II, III and IV
d. All of the above
8.
How are supernumerary rainbows unlike primary and secondary rainbow?
a. Supernumerary rainbow is not composed of the seven colors.
b. Supernumerary rainbow does not form an arc.
c. Supernumerary rainbow is not after a rain shower.
d. Supernumerary rainbow is seen on the same side of the source of light.
9.
Radio waves were first demonstrated experimentally by:
a. Armstrong
b. Hertz
c. Maxwell
d. Marconi
10. What causes the reverse of the colors in a secondary rainbow as compared to a primary rainbow?
a. Secondary rainbow is formed when two internal reflections occur causing the reverse of the colors as compared to
primary rainbow where single internal reflection happens.
b. Secondary rainbow is wider and fainter making the colors in reverse arrangement.
c. Secondary rainbow is formed when single internal reflection occurs causing the reverse of the colors as compared
to primary rainbow where two internal reflections happen.
d. Secondary rainbow is formed in front of a primary rainbow which makes the colors in reverse arrangement.
11. Which of the following correctly distinguishes a primary rainbow and a secondary rainbow? Choose all that apply.
I. The colors in the secondary rainbow are in the reverse arrangement compared to the colors in the primary rainbow.
II. The secondary rainbow is fainter compared to the primary rainbow.
III. The secondary rainbow is wider compared to the primary rainbow.
IV. The secondary rainbow is as high as the primary rainbow from the ground.
a. I and II
c. III and IV
d. I, II and III
b. II and III
12. Which of the following statements are true about how Hertz calculated the speed of the EM waves?
I. He was able to create a standing wave from which he measured the wavelength of the wave.
II. He was able to provide evidence that light cannot be absorbed.
III. Hertz made the radiation hit a broad metal sheet.
IV. He was able to create a standing wave from which he measured the frequency of the wave.
A. I and III
B. II and IV
C. III and IV
D. I and IV
13. What is the relation between the amplitude of a wave and its speed?
a. The amplitude of a wave is independent of its speed.
b. The amplitude of a wave is directly proportional to its speed.
c. The amplitude of a wave is directly proportional to the square of the inverse of its speed.
d. The amplitude of a wave is directly proportional to the inverse of its speed.
14. Hertz is a unit given to the number of cycles created or completed in a unit of time known as _____.
a. speed
c. wavelength
b. amplitude
d. frequency
15. The speed of radio wave in free space is
a. 3 x 106 meters/second
b. 3 x 108 meters/second
c.
d.
3 x 106 miles/second
3 x 108 miles/second
16. Which of the following sentences are true about Maxwell’s theory?
I. The electromagnetic waves propagate at a speed greater than the speed of light.
II. A changing magnetic field induces changing electric field.
III. A changing electric field induces changing magnetic field.
IV. The electromagnetic waves propagate at a speed equal to the speed of light.
a. I and II
c. II, III and IV
b. II and III
d. I and IV
17. Which of the following correctly describes how a halo looks like?
a. Bright ring formed around the sun or moon.
b. Bright spots of light formed in either side of the sun or moon.
c. An arc of colors that forms opposite the sun.
d. An arc of light composed of green, pink and purple colors.
18. It is the range of wavelengths or frequencies over which electromagnetic radiation extends.
a. Electromagnetic spectrum
c. Optical mirrors
d. Prism
b. Magnetic inductors
19. It is based on the application of Newton’s three laws of motion which assume that the concepts of distance, time, and
mass are absolute.
a. Electromagnetism
c. Newtons’ law of universal gravitation
d. Special Relativity
b. Newtonian mechanics
20. How many postulates does the Special Relativity have?
a. 2
b. 3
c.
4
d.
1
21. Complete the following statement: the results of special relativity indicate that
a. Newtonian mechanics is a valid approximation at low speeds (v<<c)
b. The laws of electromagnetism are invalid at speeds that are comparable to that of light
c. Newtonian mechanics is an incorrect theory
d. Moving clocks run fast compared to when they are at rest
22. One of the postulates of Einstein’s special relativity states that
a. the speed of light is finite.
b. the classical velocity addition formula still holds at relativistic speeds.
c. the speed of light is the same for all observers in all inertial reference frames.
d. there is no ether surrounding the Earth.
23. Imagine yourself traveling at a speed close to the speed of light, which of the following will you possibly notice to
happen while traveling?
a. Your mass has increased.
b. Your Spotify plays music more slowly—everyone sounds like a baritone!
c. Your pulse rate has increased.
d. You would notice none of the above effects because you are in an inertial frame.
24. At which of the following speeds would the effects predicted by special relativity be most obvious?
a. 1.11c
b. 0.99c
c. 0.50c
d. 0.01c