1
AIIMS 2017
MCQ (Single Correct Answer)
+1
-0.33

Assertion : A beam of charged particles is employed in the treatment of cancer.

Reason : Charged particles on passing through a material medium lose their energy by causing ionization of the atoms along their path.

A
Both assertion and reason are true and reason is the correct explanation of assertion
B
Both assertion and reason are true but reason is not the correct explanation of assertion
C
Assertion is true but reason is false
D
Both assertion and reason are false.
2
AIIMS 2017
MCQ (Single Correct Answer)
+1
-0.33

Assertion : In He-Ne laser, population inversion takes place between energy levels of neon atoms.

Reason : Helium atoms have a metastable energy level.

A
Both assertion and reason are true and reason is the correct explanation of assertion
B
Both assertion and reason are true but reason is not the correct explanation of assertion
C
Assertion is true but reason is false
D
Both assertion and reason are false.
3
AIIMS 2017
MCQ (Single Correct Answer)
+1
-0.33

Assertion : In $$\alpha$$-decay atomic number of daughter nucleus reduces by 2 units from the parent nucleus.

Reason : An $$\alpha$$-particle carries four units of mass.

A
Both assertion and reason are true and reason is the correct explanation of assertion
B
Both assertion and reason are true but reason is not the correct explanation of assertion
C
Assertion is true but reason is false
D
Both assertion and reason are false.
AIIMS Subjects
EXAM MAP