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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
Fill in the blank
36 km h-1 = _______ ms-1.
The length, breadth and height of a water tank are 5 m, 2.5 m and 1.25 m, respectively. Calculate the capacity of the water tank in (a) m3 (b) litre.
Answer the following in detail.
Why are multiples and submultiples of SI units required?
Answer the following in a word or two or in a sentence.
Write the formula for finding the average of a given set of observations.
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 |
Explain giving examples.
Vector quantity
What is the fundamental quantity? Give examples.
Give some examples for scalar quantity.
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:
