A Thin Sheet of Plastic (N = 1 $\lambda$ = 700 Nm)losses

question 9

Multiple Choice

A thin sheet of plastic (n = 1.60) is inserted between two panes of glass to reduce infrared ( $\lambda$ = 700 nm) losses.What thickness (in nm) is necessary to produce constructive interference in the reflected infrared radiation?

• A)218
• B)109
• C)55
• D)318
• E)443

---

Definitions:

Amplitude Waves

Amplitude waves refer to the magnitude or height of a wave, which reveals the amount of energy carried by the wave.

Amplitude

the magnitude or intensity of a fluctuating wave or signal, such as in sound (volume), light (brightness), or electrical signals.

Brightness

A perceptual attribute of visual experience by which an area appears to emit more or less light.

Hue

A color or shade, particularly one that indicates the degree to which a stimulus can be described as similar to or different from stimuli that are described as red, green, blue, and yellow.