Q1PhysicsUnit 18: Atoms and Nuclei
When a gold sheet is bombarded by a beam of -particles, only a few of them
get deflected whereas most go straight,
undeflected because:
This question has multiple correct options
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Subtopics in Atoms and Nuclei
- Alpha-particle scattering experiment, Rutherford's model of atom
- Bohr model, energy levels, hydrogen spectrum
- Composition and size of nucleus, atomic masses, mass-energy relation, mass defect
- Binding energy per nucleon and its variation with mass number, nuclear fission and fusion
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Q2PhysicsUnit 18: Atoms and Nuclei
Which of the following pairs are isotopes?
Q3PhysicsUnit 18: Atoms and Nuclei
Assertion
The mass of a nucleus can be either
less than or more than the sum of the
masses of nucleons present in it.
Reason
The whole mass of the atom is
concentrated in the nucleus.
Q4PhysicsUnit 18: Atoms and Nuclei
Assertion
It is not possible to use as the fuel
for fusion energy.
Reason
The binding energy of is too small.
Q5PhysicsUnit 18: Atoms and Nuclei
Which of the following reasons make
nuclear waste an extremely potent
pollutant?
This question has multiple correct options
Q6PhysicsUnit 18: Atoms and Nuclei
When a hydrogen atom is raised from the ground state to an excited state.
Q7PhysicsUnit 18: Atoms and Nuclei
One of the characteristics of nuclear
reactions is that in their decayed or fused parts
Q8PhysicsUnit 18: Atoms and Nuclei
Hydrogen bomb is based on
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