Advertisements
Advertisements
प्रश्न
Solve the following numerical problem.
20 one – rupee coins are placed one above the other. If their total height is 32 mm, find the thickness of one coin.
उत्तर
Number of coins 20
Total height of coins = 32 mm
Thickness of one coin?
Thickness of one coin = Height of all coins / Number of coins
=`32/60`
= 1.6 mm
APPEARS IN
संबंधित प्रश्न
Select the correct alternative
The density of aluminium is 2.7 g cm-3 and of brass is 8.4 g cm-3. For the same mass, the volume of:
A solid silver piece is immersed in water contained in a measuring cylinder. The level of water rises from 50 ml to 62 ml. Find the volume of silver piece.
Answer the following in short.
What are derived physical quantities? Give any two examples of derived physical quantities.
Answer the following in detail.
Why are multiples and submultiples of SI units required?
Answer the following in short.
What do you mean by a mean solar day?
Give reason for the following.
Body parts should not be used for correct measurements of an object.
Solve the following numerical problem.
Express 2.25mincm?
What is the physical quantity? give example.
Assertion (A): Density is a derived physical quantity
Reason (R): Density cannot be derived from the fundamental physical quantities.
Match List I with List II.
| List I | List II | ||
| A. | Torque | I. | Nms-1 |
| B. | Stress | II. | J kg-1 |
|
C. |
Latent Heat | III. | Nm |
|
D. |
Power | IV | Nm-2 |
Choose the correct answer from the options given below:
