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 stopwatch has 10 divisions graduated between the 0 and 5 s marks. What is its least count?
Name two factors on which the time period of a simple pendulum depends. Write the relation for the time period in terms of the above named factors.
Two simple pendulums A and B have equal lengths, but their bobs weigh 50 gf and 100 gf, respectively. What would be the ratio of their time periods? Give reasons for your answer.
State the numerical value of the frequency of oscillation of a second's pendulum. Does it depend on the amplitude of oscillations?
Name the convenient unit you will use to measure:
length of a hall
Name the convenient unit you will use to measure:
width of a book
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 an exercise book
Is there any difference in the following measurements?
(a) 51.7 cm
(b) 51.70 cm
(c) 51.700 cm.
Explain your answer.
Which measurement is most accurate?
