MockTests.ORG Sign in

Atoms & Nuclear Physics Mock Tests

14 questions available

Atoms & Nuclear Physics Mock Test 1

Questions: 14

Sample Questions

CUET Physics
The binding energy of a nucleus is directly related to the mass defect Δm by:
A E = Δm × c
B E = Δm × c²
C E = Δm × c³
D E = Δm/c²
CUET Physics
Nuclear fusion is the process in which:
A a heavy nucleus splits into lighter nuclei
B protons and neutrons are separated
C two light nuclei combine to form a heavier nucleus
D electrons are captured by nuclei
CUET Physics
The energy source of the Sun is primarily:
A nuclear fission
B nuclear fusion
C chemical reactions
D gravitational contraction
CUET Physics
The binding energy per nucleon is maximum for which nucleus?
A U-235
B Fe-56
C He-4
D H-1
CUET Physics
The density of nuclear matter is:
A directly proportional to mass number A
B inversely proportional to mass number A
C independent of mass number A
D proportional to A²
CUET Physics
According to Bohr's model of hydrogen atom, the angular momentum of an electron in the nth orbit is:
A
B nħ/2
C 2nħ
D n²ħ
CUET Physics
The decay constant λ of a radioactive substance is related to its half-life t₁/₂ by:
A λ = t₁/₂/ln 2
B λ = ln 2/t₁/₂
C λ = 2/t₁/₂
D λ = t₁/₂/2
CUET Physics
According to Bohr's model, the radius of the nth orbit in hydrogen atom is proportional to:
A n
B
C 1/n
D 1/n²

Comments

0/2000

No comments yet. Be the first to share your thoughts!