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
Fill in the blank
l m3 =..........cm3
Select the correct alternative
A block of wood of density 0.8 g cm-3 has a volume of 60 cm3. The mass of block will be :
Express 15 m s-1 in km h-1.
Convert the following quantity as indicated:
10 lb = ………. kg
Write the temperature of boiling water.
Tick the most appropriate answer.
Which of the following weighing devices has very high accuracy and sensitivity?
State if the following statement is true or false. Correct the statement if it is false.
The error in reading a scale due to the wrong positioning of the eye is called human error.
Solve the following numerical problem.
Amit dipped a stone tied with a string in a measuring cylinder filled with water. If the initial level of water was 56 mL and after dipping the stone the final level of water was 78 mL, find the volume of the stone.
Solve the following numerical problem.
The rainfall in a city on each day of a week is recorded below. Find the average rainfall for the week.
| day | Mon | Tue | Wed | Thurs | Fri | Sat | Sun |
|
Rainfall |
1.2 | 10.3 | 5.5 | 0.0 | 13.5 | 7.0 | 1.0 |
Assertion (A): Density is a derived physical quantity
Reason (R): Density cannot be derived from the fundamental physical quantities.
