Electricity and Magnetism MCQ Questions Answers - 2

Question: 6

The physical properties of electromagnetic waves are determined by their

(A) frequency

(B) velocity

(C) method of excitation

(D) wavelength

Question: 7

According to Huygens, light posses _____ energy.

(A) magnetic

(B) mechanical

(C) electromagnetic

(D) electrical

Question: 8

Electromagnetic waves are

(A) longitudinal

(B) transverse

(C) both a and b

(D) neither b nor a

Question: 9

Solar spectrum is an example of _____ spectrum.

(A) emission

(B) band absorption

(C) line absorption

(D) continuous absorption

Question: 10

Line spectrum is emitted by

(A) carbon arc

(B) atoms in gaseous state

(C) calcium salt in bunsen burner

(D) incandescent solids