TNPSC Electricity and Magnetism Questions and Answers - 2

Question: 6

Corpuscular theory states that light energy is the _____ energy of corpuscles.

(A) atomic

(B) magnetic

(C) potential

(D) kinetic

Question: 7

When the light emitted directly from a source is examined with a spectrometer, the spectrum obtained is _____ spectrum.

(A) emission

(B) pure

(C) absorption

(D) dull

Question: 8

When the angle of incidence increases beyond the critical angle

(A) refracted wavefront is possible at times

(B) no refracted wavefront is possible

(C) a refracted wavefront is just possible

(D) a refracted wavefront in possible

Question: 9

The energy in an electromagnetic wave is

(A) zero

(B) equally divided between electric and magnetic field

(C) wholly shared only by magnetic field vector

(D) wholly shared only by electric field vector

Question: 10

Corpuscular theory can explain the phenomenon of

(A) diffraction

(B) reflection

(C) interference

(D) polarisation