Electricity and Magnetism Quiz Questions & Answers - 2
Question: 6
The fringes obtained in Newton’s rings experiment are
(A) circles with different centres
(B) cylindrical
(C) concentric circles
(D) elliptical
Ans: C
concentric circles
Question: 7
Variation in both electric and magnetic fields perpendicular to each other, produces _____ disturbance in space.
(A) gravitational
(B) electromagnetic
(C) magnetic
(D) electric
Ans: B
electromagnetic
Question: 8
Energy is emitted and absorbed in multiple of discrete packets of energy called
(A) corpuscles
(B) protons
(C) positrons
(D) quantum
Ans: D
quantum
Question: 9
Herapathite is a
(A) biaxial crystal
(B) uniaxial crystal
(C) refracting crystal
(D) polaroid
Ans: D
polaroid
Question: 10
The refractive index of the medium, for the polarising angle 60° is
(A) 1.5
(B) 1.414
(C) 1.468
(D) 1.732
Ans: D
1.732
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