Advertisements
Advertisements
प्रश्न
The size of bacteria is 2 μ.. Find the number of bacteria in 3 m length.
Advertisements
उत्तर
1μ=10-6m
Length of one bacteria= 2 μ = 2 X 10-6m
Length given= 3m
Number of bacteria= length given/length of one bacteria
= 3/(2x10-6)
=1.5X106
APPEARS IN
संबंधित प्रश्न
A vernier has 10 divisions and they are equal to 9 divisions of the main scale in length. If the main scale is calibrated in mm, what is its least count?
A microscope is provided with a main scale graduated with 20 divisions in 1 cm and a vernier scale with 50 division on it of length same as of 49 divisions of main scale. Find the least count of the microscope.
A seconds pendulum is taken to a place where acceleration due to the gravity falls to one-fourth. How is the time period of the pendulum affected, if at all? Give reasons. What will be its new time period?
A body measures 25 m. State the unit and the magnitude of the unit in the statement.
Name the convenient unit you will use to measure:
distance between the two cities.
Explain the method in steps to find the volume of an irregular solid with the help of a measuring cylinder.
Amongst the unit of volume which is most suitable for measuring:
Volume of a swimming tank
Amongst the unit of volume which is most suitable for measuring:
Volume of air in the room
