TNPSC Atomic and Nuclear Physics Quiz | Notes | Objective MCQ Questions - 1
Question: 1
X-rays can pass through
(A) Carbon
(B) Gold
(C) Lead
(D) Calcium
Ans: D
Calcium
Question: 2
Which of the following is not electromagnetic in nature?
(A) UV rays
(B) Alpha rays
(C) Gamma rays
(D) Infrared rays
Ans: B
Alpha rays
Question: 3
Microwaves are not generated by
(A) Magnetron
(B) Klystron
(C) Coolidge tube
(D) Travelling wave tube
Ans: C
Coolidge tube
Question: 4
When a radioactive nucleus disintegrates by emitting a betta particle, its atomic number
(A) Decreases by one
(B) Decreases by two
(C) Increases by one
(D) Increases by two
Ans: C
Increases by one
Question: 5
___ rays are used in the treatment of skin disorders.
(A) Gamma rays
(B) UV rays
(C) IR rays
(D) X rays
Ans: B
UV rays
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