SUMMATIVE REVIEW 2ND QUARTER SCIENCE 10
Quiz by Eula Grace
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- Q1
What kind of mirror is used in the side mirrors of automobiles and trucks to give the driver a wider area and smaller image of traffic behind him?
D. A Lens
B. Convex mirror
A. Plane mirror
C. Concave mirror
60s - Q2
Which of the following is NOT a distinguishing feature of an electric generator?
B. It converts electrical energy into mechanical energy.
D. It is based on the principle of electromagnetic induction.
C. It generates electricity.
A. It converts mechanical energy into electrical energy.
60s - Q3
Which of the following principles explain how an electric motor works?
B. magnetism
D. electromagnetism
C. electrolysis
A. magnetic force
60s - Q4
What do you call an energy converting system that transforms electrical energy into mechanical movement?
D. electric plasma
A. electric motor
B. electric field
C. electric generator
60s - Q5
The diagram represents the position of the crests of waves 6 seconds after a stone is thrown into a pool of still water. Which of the following are the correct speed (v) and frequency (f) of the waves?
A. v = 1.5 Hz; f = 0.5 m/s
D. v = 1.5 m/s; f = 0.5 Hz
C. v = 0.5 m/s; f = 1.5 Hz
B. v = 6 Hz = 2 m/s
300s - Q6
Calculate the frequency of an electromagnetic wave with a wavelength of 8.7 x 10-7meters. Determine which of the types of electromagnetic wave has the same wavelength and frequency.
C. 5.0 x 10^ 16, X-ray
B. 4.5 x 10^ 15, Ultraviolet
A. 3.4 x 10^14, Visible
D. 6.4 x 10^18, Gamma ray
300s - Q7
Telecommunication uses electromagnetic waves that have long wavelengths due to their desirable propagation properties. Using the wavelength range below, which among the types of electromagnetic waves is most suited for telecommunication use?
A. Infrared
D. Visible light
C. Radio waves
B. Gamma ray
120s - Q8
You saw your friend, Anna, video chatting her mother who is working overseas. While on the phone, which of the following types of electromagnetic radiation is Anna being exposed to and from what source?
A. I, II and III
C. III, IV and V
D. V only
B. II, III and IV
120s - Q9
Explain how X-radiation can be harmful and how it can be a useful diagnostic tool.
A. Overexposure to X-rays can cause HIV, though normal levels of X-rays can be used for sterilizing needles.
D. Overexposure to X-rays causes cancer, though normal levels of X-rays can be used for reducing cholesterol in the blood.
B. Overexposure to X-rays can cause cancer, though in limited doses X-rays can be used for imaging internal body parts.
C. Overexposure to X-rays causes diabetes, though normal levels of X-rays can be used for imaging internal body parts.
60s - Q10
Using the image below, how would the value of the angle of reflection (Angle F) be determine using a protractor?
A. Position the center of the protractor where the light ray hits the mirror, the zero mark of the protractor is positioned at the mirror line right of the normal line and determine the angle measurement from the mirror to the reflected ray (Line C)
C. Position the center of the protractor where the light ray hits the mirror, the zero mark of the protractor is positioned at the mirror line left of the normal line and determine the angle measurement from the mirror to the reflected ray (Line C)
B. Position the center of the protractor where the light ray hits the mirror, the zero mark of the protractor is positioned at the incident ray and determine the angle measurement from the incident ray (Line B) to the reflected ray (Line C)
D. Position the center of the protractor where the light ray hits the mirror, the zero mark of the protractor is positioned at the normal line and determine the angle measurement from the normal line (Line A) to the reflected ray (Line C)
300s - Q11
In reference to the same image in item number10, the law of reflection states that:
A. Line A = Line B
B. Line A = Line C
D. Angle E = Angle F
C. Angle D = Angle G
120s - Q12
Light travels from air into an optical fiber with an index of refraction of 1.44. In which direction does the light bend? If the angle of incidence on the end of the fiber is 22o, what is the angle of refraction inside the fiber?
C. Toward the normal, 15o
D. Toward the normal, 25o
B. Away from the normal, 25o
A. Away from the normal, 15o
120s - Q13
You wanted to get a wider view of a place and observe larger things on a smaller scale. Which of the following mirrors should you use?
A. Concave mirror
C. Double concave mirror
D. Plane mirror
B. Convex mirror
60s - Q14
You are task to view an image of an object that is enlarged, virtual and upright. Which of the following instruments should you use?
A. Camera
C. Double concave mirror
B. Compound Microscope
D. Plane mirror
60s - Q15
Which is the correct sequence in the operation of generator in the production of electricity in hydroelectric power plant?
B. II, I, IV, III
C. IV, I, III, II
A. I, IV, II, III
D. III, II, IV, I
120s
