EM Fields & Optics

What are Maxwell's equations?

• Maxwell's equations are a set of equations related to cooking recipes

• Maxwell's equations are a set of four fundamental equations that describe how electric and magnetic fields interact.

• Maxwell's equations are a set of equations used in computer programming

• Maxwell's equations are a set of equations that describe fluid dynamics

Explain the concept of electromagnetic waves.

• Electromagnetic waves are a form of energy that consists of oscillating electric and magnetic fields. These waves travel at the speed of light and do not require a medium to propagate. They are produced by accelerating electric charges and exhibit properties of both waves and particles.

• Electromagnetic waves travel at a speed slower than light

• Electromagnetic waves are only produced by stationary electric charges

• Electromagnetic waves are caused by the movement of sound waves

How do lenses and mirrors manipulate light?

• Refracting, reflecting, and focusing light rays

• Absorbing, scattering, and dispersing light rays

• Bending, blocking, and absorbing light waves

• Deflecting, diffusing, and transmitting light beams

Describe the phenomena of interference and diffraction.

• Interference is the absorption of waves, while diffraction is the reflection of waves.

• Interference is the scattering of waves, while diffraction is the focusing of waves.

• Interference is the amplification of waves, while diffraction is the attenuation of waves.

• Interference is the superposition of waves, while diffraction is the bending of waves around obstacles.

What is the first of Maxwell's equations?

• Gauss's law

• Ampère's law

• Ohm's law

• Faraday's law

How are electromagnetic waves produced?

• By the deceleration of charged particles

• By the acceleration of charged particles

• By the interaction of neutral particles

• By the rotation of charged particles

What is the function of a concave lens?

• Corrects nearsightedness by diverging light rays

• Bends light rays towards a focal point

• Focuses light rays to correct farsightedness

• Increases the refractive power of the eye

How does diffraction affect light waves?

• Diffraction causes light waves to speed up

• Diffraction results in light waves becoming invisible

• Diffraction makes light waves travel in a straight line

• Diffraction affects light waves by causing them to bend around obstacles and openings, leading to interference patterns.

What is the second of Maxwell's equations?

• Gauss's law for magnetism

• Faraday's law of induction

• Ampère's circuital law

• Ohm's law

What are the properties of electromagnetic waves?

• Properties of electromagnetic waves include slow propagation speed

• Properties of electromagnetic waves include transverse nature, oscillating electric and magnetic fields, speed of light propagation, ability to travel through vacuum, reflection, refraction, diffraction, interference, and polarization.

• Properties of electromagnetic waves include longitudinal nature

• Properties of electromagnetic waves include static electric and magnetic fields