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Q2-SCIENCE 10-SUMMATIVE-TEST-2021-2022

Quiz by Merced Ansay

Grade 10
Science
Philippines Curriculum: Grades K-10 (MELC)

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40 questions
Show answers
  • Q1

    Which electromagnetic waves have the shortest wavelength?

    microwave  

    radio wave

     X – ray waves 

    gamma ray

    30s
  • Q2

    Radio waves, X-ray waves, and microwaves are observed to be traveling in a vacuum. If the waves have a wavelength of 2 x 103 m 2 x 10-9 m, 2 x 10-1 m respectively, which of the three travels the fastest?

     X - ray waves 

    They all travel at the same speed.

    radio wave

    microwave 

    30s
  • Q3

    How does a decrease in the frequency affect the electromagnetic wave?

    neither A nor B

    both A and B

    Wavelength decreases

    Energy carried by the wave decreases. 

    30s
  • Q4

    What color in the visible spectrum carries the lowest energy?

    red 

    orange

    blue 

    violet 

    30s
  • Q5

    A certain FM radio station broadcasts at 90.5 MHz or 9.05 x 107 Hz. The radio wave travels at the speed of light, what is its wavelength?

    2.72 x 1016

    0.05 m 

    3.31 m 

    2.72 x1010 m

    30s
  • Q6

    What electromagnetic wave has the highest energy?

    Radio wave 

    Gamma ray 

    Visible light

    Ultraviolet wave

    30s
  • Q7

    What will happen to the frequency and wavelength if the energy of the waves decreases?

    wavelength increases, frequency decreases

    wavelength decreases, frequency increases

    wavelength decreases, frequency decreases

    wavelength increases, frequency increases

    30s
  • Q8

    How does a microwave oven work?

    Food Compartment Magnetron Blasts Wave Guide

    Magnetron Blasts WaveGuide Food Compartment

    WaveGuide Food Compartment Magnetron Blast

    Magnetron Blasts Food Compartment Wave Guide

    30s
  • Q9

    Which is NOT a negative effect of ultraviolet radiation?

    Damages collagen

    Destroys vitamin A

    Ionizes atoms in the body

    Damages DNA

    30s
  • Q10

    Which type of electromagnetic waves cause sunburns?

    infrared wave 

    microwave

    ultraviolet ray

     gamma rays 

    30s
  • Q11

    What type of electromagnetic waves are used to cook food, predict the weather, and for communications?

    microwaves

    infrared wave

    gamma rays 

    ultraviolet ray 

    30s
  • Q12

    Which is common between a microwave oven and RADAR?

    filament

    waveguide 

    magnetron 

    chamber 

    30s
  • Q13

    What type of electromagnetic waves are used to take pictures of bones in Medicine?

    ultraviolet ray 

    microwaves

    infrared wave 

    x-rays 

    30s
  • Q14

    What is the safety protocol for X-ray?

    Increase time, increase shielding, and increase distancing

    D. Increase time, decrease shielding, and decrease distancing

    Decrease time, decrease shielding, and decrease distancing

    Decrease time, increase shielding, and increase distancing

    30s
  • Q15

    Which is NOT a probable result of the human tissue’s exposure to ionizing radiation?

    Cancer 

    Cellular damage

    Death  

    Viral infection

    30s

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