State Engineering Entrances - South India (KCET, COMEDK, EAMCET & KEAM)

Electromagnetism & Wave Optics question bank (Engineering Physics)

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Q1.
[Engineering Chemistry - CET Assessment #1] Which pair of species is isoelectronic and has identical bond order according to Molecular Orbital Theory?

(A)
O2 and N2 (Bond Order = 2.5)
(B)
CO and NO (Bond Order = 2)
(C)
N2 and CO (Bond Order = 3)
(D)
F2 and O2^2- (Bond Order = 2)
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Q2.
[Engineering Physics - CET Assessment #3] A body of mass m is projected from the surface of Earth (radius R, mass M) with escape velocity v_e. What is the expression for v_e?

(A)
v_e = √(GM / R) = √(gR)
(B)
v_e = 2√(GM / R)
(C)
v_e = √(GM / 2R)
(D)
v_e = √(2GM / R) = √(2gR)
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