28 + Interview Questions in GENERAL QA IN RADIOACTIVITY Page 1 InterviewSolution

1.	Electrons move around nucleus in form ofA. cloudsB. dust particlesC. steamD. charge
Answer» The Correct option is A. clouds

Discussion

2.	Alpha particles have relativelyA. low kinetic energiesB. high potential energyC. high mechanical energyD. high kinetic energy
Answer» D. high kinetic energy

Discussion

3.	Process in which α and β rays pass close to atoms and knock electrons out is calledA. atomizationB. ionizationC. decayD. hydroxylation
Answer» B. ionization

Discussion

4.	Radius of nucleus ranges fromA. 10-15 mB. 10-15 m to 10-14 mC. 10-10 mD. 10-10 m to 10-6 m
Answer» B. 10^-15 m to 10^-14 m

Discussion

5.	β- radiations are simplyA. protonsB. neutronsC. electronsD. muons
Answer» C. electrons

Discussion

6.	Number of protons in an atom determineA. chemical propertiesB. physical propertiesC. magnetic propertiesD. electrical properties
Answer» A. chemical properties

Discussion

7.	Elements undergo radioactive decay when proton number becomes greater thanA. 50B. 40C. 83D. 73
Answer» The Correct option is C. 83

Discussion

8.	Radiations emitted by radioactive substances isA. alphaB. betaC. gammaD. all of above
Answer» D. all of above

Discussion

9.	Particles like kaons and muons etc, were found out byA. looking at cosmic raysB. looking at particles in acceleratorsC. looking closely at atomD. both A and B
Answer» D. both A and B

Discussion

10.	Phenomena of radioactivity was discovered by Henri Becquerel inA. 1896B. 1895C. 1894D. 1893
Answer» The Correct option is A. 1896

Discussion

11.	In a nuclear process, the quantity conserved isA. mass-energyB. momentumC. mass onlyD. energy only
Answer» A. mass-energy

Discussion

12.	Type of rays that affect the nucleus areA. alphaB. betaC. gammaD. EM
Answer» The Correct option is A. alpha

Discussion

13.	Number of isotopes neon has isA. 2B. 4C. 3D. 5
Answer» The Correct option is C. 3

Discussion

14.	A specific combination of protons and neutrons in a nucleus is calledA. nucleonsB. nuclideC. neutrinoD. nucleolus
Answer» The Correct option is B. nuclide

Discussion

15.	Force that acts on both quarks and leptons isA. strong nuclear forceB. weak interactionC. intermediate interactionD. nuclear force
Answer» B. weak interaction

Discussion

16.	Particles that are un affected by strong nuclear force areA. protonsB. leptonsC. neutronsD. bosons
Answer» The Correct option is B. leptons

Discussion

17.	Particles that experience strong force areA. leptonsB. hadronsC. both A and BD. softons
Answer» The Correct option is B. hadrons

Discussion

18.	Heavy nuclei haveA. more protons than neutronsB. more electrons than neutronsC. more neutrons than electronsD. more neutrons than protons
Answer» D. more neutrons than protons

Discussion

19.	In β+ decay, the nucleon number isA. conservedB. not conservedC. unstableD. stable
Answer» A. conserved

Discussion

20.	Lepton among them areA. electronsB. neutrinosC. protonsD. both A and B
Answer» D. both A and B

Discussion

21.	In β+ decay, an UP quark becomesA. a strange quarkB. a simple quarkC. a down quarkD. an anti-quark
Answer» C. a down quark

Discussion

22.	Most of the space in an atom isA. filled with positive chargeB. emptyC. filled with negative chargeD. filled with neutrons
Answer» The Correct option is B. empty

Discussion

23.	Neutrinos have electric charge ofA. zeroB. 1C. 2D. 3
Answer» The Correct option is A. zero

Discussion

24.	A proton is made up ofA. one up quark and two down quarksB. an up quark and down antiquarkC. two up quarks and a down quarkD. strange quark and an anti-strange quark
Answer» C. two up quarks and a down quark

Discussion

25.	Gamma radiation is emitted in order toA. excite the atomB. release excess energy from atomC. destabilize the atomD. stabilize the atom
Answer» B. release excess energy from atom

Discussion

26.	The nucleon number consists ofA. Number of electronsB. Number of protonsC. Number of electrons and protonsD. Number of protons and neutrons
Answer» D. Number of protons and neutrons

Discussion

27.	Strongest ionizing radiation isA. AlphaB. betaC. gammaD. x-rays
Answer» The Correct option is A. Alpha

Discussion

28.	A decay in which a proton decays in to neutron and an electron neutrino isA. β+ decayB. β-C. γ decayD. α decay
Answer» The Correct option is B. β^-

Discussion

Explore topic-wise InterviewSolutions in .

Electrons move around nucleus in form ofA. cloudsB. dust particlesC. steamD. charge

Alpha particles have relativelyA. low kinetic energiesB. high potential energyC. high mechanical energyD. high kinetic energy

Process in which α and β rays pass close to atoms and knock electrons out is calledA. atomizationB. ionizationC. decayD. hydroxylation

Radius of nucleus ranges fromA. 10-15 mB. 10-15 m to 10-14 mC. 10-10 mD. 10-10 m to 10-6 m

β- radiations are simplyA. protonsB. neutronsC. electronsD. muons

Number of protons in an atom determineA. chemical propertiesB. physical propertiesC. magnetic propertiesD. electrical properties

Elements undergo radioactive decay when proton number becomes greater thanA. 50B. 40C. 83D. 73

Radiations emitted by radioactive substances isA. alphaB. betaC. gammaD. all of above

Particles like kaons and muons etc, were found out byA. looking at cosmic raysB. looking at particles in acceleratorsC. looking closely at atomD. both A and B

Phenomena of radioactivity was discovered by Henri Becquerel inA. 1896B. 1895C. 1894D. 1893

In a nuclear process, the quantity conserved isA. mass-energyB. momentumC. mass onlyD. energy only

Type of rays that affect the nucleus areA. alphaB. betaC. gammaD. EM

Number of isotopes neon has isA. 2B. 4C. 3D. 5

A specific combination of protons and neutrons in a nucleus is calledA. nucleonsB. nuclideC. neutrinoD. nucleolus

Force that acts on both quarks and leptons isA. strong nuclear forceB. weak interactionC. intermediate interactionD. nuclear force

Particles that are un affected by strong nuclear force areA. protonsB. leptonsC. neutronsD. bosons

Particles that experience strong force areA. leptonsB. hadronsC. both A and BD. softons

Heavy nuclei haveA. more protons than neutronsB. more electrons than neutronsC. more neutrons than electronsD. more neutrons than protons

In β+ decay, the nucleon number isA. conservedB. not conservedC. unstableD. stable

Lepton among them areA. electronsB. neutrinosC. protonsD. both A and B

In β+ decay, an UP quark becomesA. a strange quarkB. a simple quarkC. a down quarkD. an anti-quark

Most of the space in an atom isA. filled with positive chargeB. emptyC. filled with negative chargeD. filled with neutrons

Neutrinos have electric charge ofA. zeroB. 1C. 2D. 3

A proton is made up ofA. one up quark and two down quarksB. an up quark and down antiquarkC. two up quarks and a down quarkD. strange quark and an anti-strange quark

Gamma radiation is emitted in order toA. excite the atomB. release excess energy from atomC. destabilize the atomD. stabilize the atom

The nucleon number consists ofA. Number of electronsB. Number of protonsC. Number of electrons and protonsD. Number of protons and neutrons

Strongest ionizing radiation isA. AlphaB. betaC. gammaD. x-rays

A decay in which a proton decays in to neutron and an electron neutrino isA. β+ decayB. β-C. γ decayD. α decay