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Question-1
Radioisotope is used on the treatment of
(A)
Cancer
(B)
AIDS
(C)
Respiratory problems
(D)
All the above
Question-2
Which of the following radiations are same as helium nuclei?
(A)
Alpha radiations
(B)
Beta radiations
(C)
Gamma radiations
(D)
Ultraviolet radiations.
Question-3
Which type of harmful radiations are emitted by nuclear wastes?
(A)
α radiations
(B)
β radiations
(C)
γ radiations
(D)
Beta and gamma radiations
Question-4
All radioactive substances should be put in
(A)
Metal containers
(B)
Lead containers
(C)
Carbon containers
(D)
Clay containers
Question-5
Controlled exposure of which radiations are used on the treatment of cancer?
(A)
α radiations
(B)
β Radiations
(C)
γ Radiations
(D)
U – V radiations
Question-6
Which radiations are not deflected in electric and magnetic fields?
(A)
α Particles
(B)
β Particles
(C)
γ Particles
(D)
All the above
Question-7
Which part of a hot cathode ray tube give a fire beam of electrons to it?
(A)
Electron gun
(B)
Deflecting system
(C)
Fluorescent screen
(D)
All the above
Question-8
Which of the following is used to flow electric current in vacuum?
(A)
Radioactivity
(B)
Conductivity
(C)
Thermionic emission
(D)
Convection
Question-9
A hydrogen atom minus an electrons forms
(A)
Neutron
(B)
Electron
(C)
Proton
(D)
Positron
Question-10
Which of the following is a method to find the age of an animal or plant fossil?
(A)
Isotopes
(B)
Isobars
(C)
Carbon dating
(D)
Radioactivity
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Cambridge Secondary Grade 10
IGCSE
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