DailyNewsQuiz
Home
About
FAQ
← Home
science
Feb 07
Researchers demonstrate organic crystal emitting red light from UV and green from near-infrared
AI-Generated from
Phys.org - News And Articles On Science And Technology
1.
Which type of light beyond the range of human vision plays a vital role in communication technologies and medical diagnostics?
A
Ultraviolet
B
Infrared
C
Visible
D
Microwave
2.
What wavelengths of light are routinely used in communication technologies, medical diagnostics, and optical sensing?
A
Ultraviolet and near-infrared
B
Visible and microwave
C
Infrared and ultraviolet
D
X-ray and gamma-ray
3.
Why is detecting ultraviolet and near-infrared light directly challenging?
A
It requires complex instrumentation
B
It is easily visible to the human eye
C
It is naturally detected by human senses
D
It is not used in any technology
4.
Which type of light is not commonly used in communication technologies and medical diagnostics?
A
Ultraviolet
B
Infrared
C
Visible
D
Microwave
5.
What role does invisible light beyond the range of human vision play in optical sensing?
A
No role
B
Vital role
C
Secondary role
D
Minimal role
Submit Answers