Advertisements
Advertisements
Question
The Wavelength of a particular colour is 5400Å. Express it in nanometer and metre.
Advertisements
Solution
1Å=10-1 nm
So, 5400 Å= 5400 X 10-1 = 540 nm
1Å=10-10 m
So, 5400 Å= 5400 X 10-10= 5.4X 10-7 m
APPEARS IN
RELATED QUESTIONS
Define the term 'Vernier constant'.
Draw a neat and labelled diagram of a vernier callipers. Name its main parts and state their functions.
Name the part of the vernier callipers which is used to measure the following
Depth of a small bottle
Describe the procedure to measure the diameter of a wire with the help of a screw gauge.
The final result of the calculation in an experiment is 125,347,200. Express the number in term of significant place when accuracy is between 1 and 100
The least count of a vernier callipers is 0.0025 cm and it has an error of + 0.0125 cm. While measuring the length of a cylinder, the reading on the main scale is 7.55 cm, and the 12th vernier scale division coincides with the main scale. Calculate the corrected length.
What do you understand by the following term as applied to micrometre screw gauge?
Sleeve scale
What is the least count in the case of the following instrument?
Stopwatch
How will you measure the least count of vernier caliper?
