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प्रश्न
Answer the following in short.
What is parallax error?
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उत्तर
The error that can arise due to the wrong positioning of the eye while reading a scale is called parallax error.
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संबंधित प्रश्न
Match the following:
| Column A | Column B |
| 1.Volume of a liquid | 1. kg `m^-3` |
| 2. Area of a leaf | 2. `m^3` |
| 3. S.I. unit of volume | 3. graph paper |
| 4. S.I. unit of density | 4. m `s^-1` |
| 5. S.I.unit of speed | 5. measuring cylinder |
Select the correct alternative
The correct relation for speed is
How does the density of water changes when it is heated from 0°C to 4°C,
A car travels with a speed 12 m s”1, while a scooter travels with a speed 36 km h-1. Which of the two travels faster ?
Express in second :
3 minute 15 second
State if the following statement is true or false:
There are seven base units in the SI system.
Answer the following in detail.
which is the most suitable unit for measuring the volume of a glass filled with water?
Solve the following numerical problem.
Express 6L in mL.
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 ______.
