Electricity and Magnetism Objective Questions Answers - 1

Question: 1

The atmosphere is transparent to

(A) Visible rays

(B) X-rays

(C) IR radiations

(D) UV radiations

Question: 2

Corpuscular theory was first challenged to

(A) Huygens

(B) Maxwell

(C) Netwon

(D) Planck

Question: 3

The spectral lines formed in the scattering of light by the atoms and molecules is known as

(A) Raman spectrum

(B) Molecular spectrum

(C) Fraunhofer lines

(D) Atomic spectrum

Question: 4

The region of the atmosphere that contains electrons and positive ions is

(A) Exosphere

(B) Stratosphere

(C) Troposphere

(D) Ionosphere

Question: 5

The central core of the sun is called

(A) Ionosphere

(B) Photosphere

(C) Chromosphere

(D) Troposphere