How Many Times Greater Is the Speed of Red Light

question 13

Multiple Choice

How many times greater is the speed of red light (λ = 700 nm) than the speed of violet light (λ = 400 nm) in a vacuum?

• A) 1.75 , the first color of light is faster
• B) 0.57 , the second color of light is faster
• C) 3.00 x 10⁸ , the first color of light is faster
• D) 1.00 , both colors of light have the same speed
• E) 3.00 x 10⁸ , the second color of light is faster

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Definitions:

Neurons

Nerve cells that are the basic working units of the brain and nervous system, responsible for receiving sensory input from the external world, sending motor commands to our muscles, and transforming and relaying electrical signals at every step in between.

Transmitting Information

The process of sending data, messages, or information from one place, person, or group to another through specific channels.

Neurons

Neurons are the basic working units of the brain and nervous system, responsible for receiving, processing, and transmitting information through electrical and chemical signals.

Cell Body

The spherical part of a neuron that contains the nucleus and connects to the dendrites and axon, critical for processing information.