Quick practice
Question 1 of 5
Which colour of the light has the longest wavelength?
A
Violet
B
Blue
C
Red
D
Green
Concepts
Coulomb's Law & Electric Field
Electric Flux and Gauss's Law
Electric Potential
Capacitor and Capacitance
Electric Current and Circuits
Heating Effects of Current
Magnetic Field & Magnetic Forces
Magnetism & Matter
Alternating Current
Electromagnetic Induction
Electromagnetic Waves
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