Light & Sound Innovations Quiz

Froggy Jumps

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Modern tech in light and sound

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Reymond Aquino

Philippines

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Light & Sound Innovations Quiz


Froggy Jumps Light & Sound Innovations QuizVersion en ligne Modern tech in light and sound par Reymond Aquino 1 Which technology uses sound waves to help reduce unwanted background noise in headphones? a Active noise cancellation b Fiber-optic transmission c Laser scanning 2 Which innovation uses pulses of light to transmit large amounts of information over long distances? a Fiber-optic cable b Copper wire c Loudspeaker 3 How can sound innovation improve the design of a concert hall? a By controlling reflection, absorption, and distribution of sound b By eliminating all sound reflections c By making every surface equally reflective 4 Which application of light technology is commonly used to correct some vision problems? a Laser eye surgery b Acoustic insulation c Sound amplification 5 Which invention made energy‑efficient lighting widely available and durable? a CFL b LED c Incandescent bulb 6 Which technology transmits data at high speed through glass or plastic fibers? a Radio antennas b Wi‑Fi c Fiber optics 7 Which technique uses sound waves to detect objects underwater or underground? a Megasonic testing b Sonar c Echolocation in air 8 What display tech creates three‑dimensional images without special glasses? a Holographic display b 3D LCD c Parallax barrier 9 Which innovation allows doctors to look inside the body using reflected sound waves? a Fiber laser b Fiber-optic internet c Ultrasound imaging 10 Why are LED bulbs considered an important lighting innovation? a They can produce light efficiently with relatively low energy use b They require sound waves to produce light c They work only when exposed to sunlight 11 What term describes engineered materials that control how sound propagates? a Photonic crystals b Thermoelastic composites c Acoustic metamaterials 12 Which lighting tech surpassed incandescent by efficiency and lifespan? a LED b Mercury lamp c Halogen lamp 13 Which display technology uses organic compounds to emit light? a LCD b Plasma display c OLED 14 What sensor helps devices adjust brightness by measuring ambient light? a Proximity sensor b Accelerometer c Ambient light sensor 15 Which phenomenon involves light returning when it encounters a different medium? a Diffraction only b Refraction and reflection c Dispersion only

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Light & Sound Innovations Quiz

Froggy Jumps

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Créé par

Téléchargez la version pour jouer sur papier

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Light & Sound Innovations QuizVersion en ligne

par Reymond Aquino

Which technology uses sound waves to help reduce unwanted background noise in headphones?

Which innovation uses pulses of light to transmit large amounts of information over long distances?

How can sound innovation improve the design of a concert hall?

Which application of light technology is commonly used to correct some vision problems?

Which invention made energy‑efficient lighting widely available and durable?

Which technology transmits data at high speed through glass or plastic fibers?

Which technique uses sound waves to detect objects underwater or underground?

What display tech creates three‑dimensional images without special glasses?

Which innovation allows doctors to look inside the body using reflected sound waves?

Why are LED bulbs considered an important lighting innovation?

What term describes engineered materials that control how sound propagates?

Which lighting tech surpassed incandescent by efficiency and lifespan?

Which display technology uses organic compounds to emit light?

What sensor helps devices adjust brightness by measuring ambient light?

Which phenomenon involves light returning when it encounters a different medium?