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Byju's Answer
Standard XII
Chemistry
Shape and Geometry Using VSEPR
Which gas pro...
Question
Which gas produced by the welding arcs are harmful to the eyes?
A
γ
−
r
a
y
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B
X
−
r
a
y
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C
U
V
r
a
y
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D
I
R
r
a
y
s
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Solution
The correct options are
C
U
V
r
a
y
D
I
R
r
a
y
s
Suggest Corrections
0
Similar questions
Q.
Assertion :The electrical conductivity of a gas increases when X-rays or
γ
-rays pass through it Reason: Ionization in the gas is produced by X-rays or
γ
−
r
a
y
s
Q.
Assertion :The electrical conductivity of a gas remains the same before and after X-rays or
γ
-rays are allowed to pass throuoh the gas. Reason: X-rays and
γ
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Q.
In pair annihilation, two
γ
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Q.
Which of the following statements is/are correct?
1. A nucleus in an excited state may give up its excitation energy and return to the ground state by emission of electromagnetic
γ
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2.
γ
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α
and
β
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3. The nuclear isomers produced by
γ
-ray bombardment have the same atomic and mass number but differ in their lifetimes (whatever their ground state may be).
4.
X
-ray and
γ
-ray are both electromagnetic.
Q.
γ
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(a) Which are other radiations emitted from such substances.
(b) What is the unit of nuclear radiation?
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