Advertisements
Advertisements
प्रश्न
Solve the following numerical problem.
A piece of wire is wound around a pencil 60 times. If the total width of all the turns is 4 cm, find the diameter of the wire.
Advertisements
उत्तर
Number of turns of wire = 60
Total width of turns of wire 4 cm
Diameter of the wire?
Diameter of the wire = Total width of turns of wire / Number of turns of wire
= `4/60`
= 0.066 cm
APPEARS IN
संबंधित प्रश्न
The length, breadth and height of a water tank are 5 m, 2.5 m and 1.25 m respectively. Calculate the capacity of the water tank in (a) m3 (b) litre.
Fill in the blank:
1 metric tonne = .............
Convert the following quantity as indicated:
5 mg = ………. kg
State if the following statement is true or false:
Centi mean a hundredth part.
Answer the following in short.
What are derived physical quantities? Give any two examples of derived physical quantities.
Answer the following in detail.
State some common rules to write SI units correctly.
Give reason for the following.
Body parts should not be used for correct measurements of an object.
What are derived quantities?
Write SI units for the fundamental quantity.
A physical quantity A is dependent on other four physical quantities p, q, r and s as given below A = `sqrt("pq"/("r"^2"s"^3))`. The percentage error of measurement in p, q, r and s are 1%, 3%, 0.5% and 0.33% respectively, then the maximum percentage error in A is ______ %.
