Question

Name the component of light that travels in straight lines.

Answer 1

Explanation:

light wave travel in a straight line

Answer 2

Answer:

Photon is the component of light that travels in straight lines.

Explanation:

• Photons are energy packets that have both wave-like and particle properties.
• They have no mass but a large amount of energy.
• The frequency of electromagnetic radiation waves determines their energy level.
• It is inversely proportional to wavelength and directly proportional to frequency.
•        
• Energy = hν
• Where
• h ⇒  Planck constant.
•            ν ⇒ frequency
• A photon is the fundamental building block of all light and travels at the speed of light in a straight line.
• Since photons are constantly in motion and move at a constant speed of $2.998$ × $10^{8}$ m sec⁻¹.
• This is the speed of the light and it is denoted by the letter c.

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