Advertisements
Advertisements
प्रश्न
Convert the following quantity as indicated:
4.2 m = cm
Advertisements
उत्तर
1 m = 100 cm
∴ 4.2 m = 100 × 4.2 cm
= `100 × 42/10` cm = 420 m
∴ 4.2 m = 420 cm
APPEARS IN
संबंधित प्रश्न
A piece of brass of volume 30 cm3 has a mass of 252 g. Find the density of brass in (i) g cm-3, (ii) kg m-3.
A car travels a distance of 15 km in 20 minute. Find the speed of the car in km h-1.
Convert the following quantity as indicated:
1 yard = m
Write the temperature of melting ice.
Answer the following in detail.
State some common rules to write SI units correctly.
Tick the most appropriate answer.
Which of the following weighing devices has very high accuracy and sensitivity?
Answer the following in short.
What do you mean by a mean solar day?
Give a reason for the following.
Measuring units are standardized.
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:
The density of a material in SI unit is 128 kg m-3. In certain units in which the unit of length is 25 cm and the unit of mass is 50 g, the numerical value of density of the material is _____.
