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प्रश्न
Give a reason for the following.
Measuring units are standardized.
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उत्तर
Measuring units are standardized so that accurate measurements can be done and are accepted universally.
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संबंधित प्रश्न
Fill in the blank
Distance travelled d = ________ × time t
A piece of paper of dimensions 1.5 m × 20 cm has area ______.
Find the volume of a liquid present in a dish of dimensions 10 cm x 10 cm x 5 cm.
State two characteristics of a unit.
Convert the following quantity as indicated:
1 ft = cm
Convert the following quantity as indicated:
20 cm = m
Answer the following in detail.
Explain by giving two examples of why the measurement of a physical quantity is expressed as a combination of a numeral and a unit.
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 |
The magnitude of a physical quantity consists of ______.
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:
