Advertisements
Advertisements
प्रश्न
Give reason for the following.
Body parts should not be used for correct measurements of an object.
Advertisements
उत्तर
Body parts have different sizes from person to person and hence the value varies. Since there is no uniformity or accuracy in the reading, body parts should not be used for the correct measurement of an object.
APPEARS IN
संबंधित प्रश्न
Fill in the blank
Mass = density × _______
Select the correct alternative
One litre is equal to :
Select the correct alternative
The correct relation for speed is
Answer the following in short.
Which institution in the world maintains the guidelines for using the SI units correctly?
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.
State if the following statement is true or false. Correct the statement if it is false.
The average of a group of observations is calculated by adding all the observations and dividing the sum by the number of observations.
Answer the following in short.
What is parallax error?
What is the fundamental quantity? Give examples.
What do you mean by ‘unit’?
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:
