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प्रश्न
The uncertainty in measurement is called as _______.
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उत्तर
The uncertainty in measurement is called an Error.
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संबंधित प्रश्न
What do you understand by the term dependent variable?
Complete the rollowing:
1 m = ____ Å
Are senses reliable for accurate measurement?
Questions based on Higher Order Thinking Skills:
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There are three spheres A, B, C as shown below. Sphere A and B are made of same material. Sphere C is made of a different material. Spheres A and C have equal radii. The radius of sphere B is half that of A. Density of A is double that of C.
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Now answer the following questions:
- Find the ratio of masses of spheres A and B.
- Find the ratio of volumes of spheres A and B.
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Cross word puzzle.
Clues – Across
- SI unit of temperature;
- A derived quantity;
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Clues – Down
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- A liquid denser than iron
- A unit of length used to measure very long distances
Match the events related to motion in Column I with the types of motions given in Column II.
| Column I | Column II | ||
| (a) | A moving wheel of a sewing machine |
(i) | Circular motion |
| (b) | Movement of tip of the minute hand of a clock in one hour |
(ii) | Rotational motion |
| (c) | A moving swing | (iii) | Periodic motion |
Define measurement.
Define measurement.
Questions based on Higher Order Thinking Skills:
|
There are three spheres A, B, C as shown below.
|
Now answer the following questions.
i. Find the ratio of masses of spheres A and B.
ii. Find the ratio of volumes of spheres A and B.
iii. Find the ratio of masses of spheres A and C.
