Tardigrade
Tardigrade - CET NEET JEE Exam App
Exams
Login
Signup
Tardigrade
Question
Physics
The wavelength of orange light emitted by krypton-86 in vacuum is used as standard length because
Question Error Report
Question is incomplete/wrong
Question not belongs to this Chapter
Answer is wrong
Solution is wrong
Answer & Solution is not matching
Spelling mistake
Image missing
Website not working properly
Other (not listed above)
Error description
Thank you for reporting, we will resolve it shortly
Back to Question
Thank you for reporting, we will resolve it shortly
Q. The wavelength of orange light emitted by $krypton-86$ in vacuum is used as standard length because
Physical World, Units and Measurements
A
eyes are most sensitive for orange colour
19%
B
orange light is not easily absorbed
18%
C
it is unaffected by temperature, pressure etc.
18%
D
all the above.
45%
Solution:
This wavelength is defined, produced and measured accurately and is unaffected by the physical conditions.