Eng - Flashcard 12-6-24

Front

What does the camera sensor do?

Back

Captures light and converts it into a digital image.

Front

What device generates ultrasound waves?

Back

Transducer.

Front

What is the role of ultrasound in diagnosing kidney stones?

Back

It shows stone size and location through images.

Front

How do paint pigments create color?

Back

They absorb certain wavelengths and reflect others.

Front

What are ultrasound waves?

Back

Sound waves with frequencies higher than 20 kHz.

Front

What is the function of a transducer in ultrasound imaging?

Back

It converts electrical energy into sound waves and vice versa.

Front

What is the difference between analog and digital images?

Back

Analog images are continuous, while digital images are made of discrete pixels.

Front

What is the principle of reflection in optics?

Back

When light hits a surface, it bounces back at the same angle.

Front

What is the significance of wavelength in sound waves?

Back

Wavelength determines the pitch of the sound.

Front

How does the human ear perceive sound?

Back

Sound waves vibrate the eardrum, which sends signals to the brain.