Advertisements
Advertisements
Question
The size of bacteria is 1 µ. Find the number of bacteria present in 1 m length.
Advertisements
Solution
Size of a bacteria = 1 µ
Since 1 µ = 10-6 m
∴ Number of the particle = Total length/size of one bacteria
= 1 m/10-6 m
= 106
APPEARS IN
RELATED QUESTIONS
The wavelength of light is 589 nm. what is its wavelength in Å?
State the purpose of ratchet in a screw gauge.
Name the instrument which has the least count
0.1 mm
What is the need for measuring length with vernier callipers?
What do you understand by the following term as applied to micrometre screw gauge?
Sleeve cylinder
What do you understand by the term least count of screw?
State whether the following statement is true or false by writing T/F against it.
The metre scale, vernier calipers, and screw gauge are in decreasing order of least count.
Consider the following case where the zero of vernier scale and the zero of the main scale are clearly seen. If L.C. of the vernier calipers is 0.01 cm, write the zero error and zero correction of the following.
What is the zero error of a screw gauge?
A Vernier calliper reads a main scale reading of 2.3 cm and the 5th division of the Vernier scale coincides with a main scale division. If the least count is 0.01 cm, what is the actual reading?
