Atomic Physics GK Quiz Questions - 1

Question: 1

Electrons revolving in stationary orbits

(A) sometimes radiate energy

(B) radiates very less energy

(C) radiates enormous amount of energy

(D) does not radiate energy

Ans: D

does not radiate energy

Question: 2

Wavelength of X-rays depends upon

(A) kinetic energy of the electrons producing them

(B) the number of electrons striking the target

(C) thickness of the target material

(D) the target material used

Ans: A

kinetic energy of the electrons producing them

Question: 3

Optical pumping is used to produce

(A) Normal population

(B) UV-radiation

(C) IR radiation

(D) Population inversion

Ans: D

Population inversion

Question: 4

According to electromagnetic theory, an accelerated electric charges radiates energy in the form of

(A) electromagnetic waves

(B) sound waves

(C) nuclear energy

(D) atomic energy

Ans: A

electromagnetic waves

Question: 5

A secondary photon is _____ with the stimulating photon.

(A) sometimes out of phase

(B) sometimes in phase

(C) always in phase

(D) always out of phase

Ans: C

always in phase

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