11.which of the following statements are true?
A. X-rays have longer wavelengths than microwaves.
B. Radiowaves have shorter wavelengths than X-rays.
C. Gamma rays have longer wavelengths than UV rays.
D. Gamma rays have shorter wavelength than microwaves.
12. What type of EM wave can help doctors in diagnosing bone fractures and tumors?
A.X-rays
B.Infrared
C.Gamma rays
D.Ultraviolet rays
13.How can ultraviolet rays be used commonly?
A.Cooking food
B.TV's remote control
C.Sterilized medical tools
D.Cell phone communication
14.what other use of UV rays can be applied in our lives?
A.To color a paper
B.To help the plant grow
C.To send message on cell phones
D.To differentiate between fake and real money
15.Which of the following will radar fail to determined?
A.Speed
B.Location
C.Distance
D.Density of metal
16.Which is usually exterminated using gamma rays?
A.plants
B.animals
C.humans
D.bacteria and viruses
17.Which is best treated by gamma rays?
A.cancer
B.colds
C.cough
D.fever
18.Which is EM wave enable us to see?
A.Microwave
B.Infrared
C.Ultraviolet
D.Visible light
19.Which material can be used to protect people from UV rays?
A.soap
B.alcohol
C.perfume
D.sunblock lotion
20.Which spectrum of EM wave is exhibited by the rainbow of colors?
A.Infrared
B.ultraviolet
C.Visible light
D.Microwave
21. How can UV cause skin cancer?
A.Less exposure to the sun's UV radiation sun can damage the genetic material in the skin cell.
B.Exposure to UV rays will hinder the absorption of vitamin D,which can damage the skin cell.
C.UV rays can cause mutation of skin cells that results to abnormal growth of skin allergies.
D.To much exposure to the sun's UV radiation can damage the genetic material in the skin cell.
23. Which statement is correct regarding the effects of EM radiation on living things and the environment?
A.Option C and option D statements are wrong.
B. Option C and option D statements are correct.
C.EM radiation when used correctly can help promote easier and healthier daily living.
D.Exposure to electromagnetic radiation, if strong enough, can lead to short
A. X-rays have longer wavelengths than microwaves.
B. Radiowaves have shorter wavelengths than X-rays.
C. Gamma rays have longer wavelengths than UV rays.
D. Gamma rays have shorter wavelength than microwaves.
12. What type of EM wave can help doctors in diagnosing bone fractures and tumors?
A.X-rays
B.Infrared
C.Gamma rays
D.Ultraviolet rays
13.How can ultraviolet rays be used commonly?
A.Cooking food
B.TV's remote control
C.Sterilized medical tools
D.Cell phone communication
14.what other use of UV rays can be applied in our lives?
A.To color a paper
B.To help the plant grow
C.To send message on cell phones
D.To differentiate between fake and real money
15.Which of the following will radar fail to determined?
A.Speed
B.Location
C.Distance
D.Density of metal
16.Which is usually exterminated using gamma rays?
A.plants
B.animals
C.humans
D.bacteria and viruses
17.Which is best treated by gamma rays?
A.cancer
B.colds
C.cough
D.fever
18.Which is EM wave enable us to see?
A.Microwave
B.Infrared
C.Ultraviolet
D.Visible light
19.Which material can be used to protect people from UV rays?
A.soap
B.alcohol
C.perfume
D.sunblock lotion
20.Which spectrum of EM wave is exhibited by the rainbow of colors?
A.Infrared
B.ultraviolet
C.Visible light
D.Microwave
21. How can UV cause skin cancer?
A.Less exposure to the sun's UV radiation sun can damage the genetic material in the skin cell.
B.Exposure to UV rays will hinder the absorption of vitamin D,which can damage the skin cell.
C.UV rays can cause mutation of skin cells that results to abnormal growth of skin allergies.
D.To much exposure to the sun's UV radiation can damage the genetic material in the skin cell.
23. Which statement is correct regarding the effects of EM radiation on living things and the environment?
A.Option C and option D statements are wrong.
B. Option C and option D statements are correct.
C.EM radiation when used correctly can help promote easier and healthier daily living.
D.Exposure to electromagnetic radiation, if strong enough, can lead to short
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Answer:
11.D
12.A
13.C
14.D
15.B
16.C
17.D
18.B
19.A
20.A
21.C
22.D
23.A