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प्रश्न
Complete the following:
1 mean solar day = _______ s.
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उत्तर
1 mean solar day = 86400 s
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संबंधित प्रश्न
Complete the following: 1 m =……….. µ
Name the physical quantities which are measured in the given units:
nm
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Express the order of magnitude of the following quantity:
0.000,000,000,00027 m
Put the symbol in the box given below.
34 kg `square` 22 kg
Conversion of 7 m into cm gives _____
What are the rules to be followed to make accurate measurement with scale?
These are the instruments used in measuring the volume of objects with irregular shapes ______.
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 |
Questions based on higher-order thinking skills:
|
There are three spheres A, B, and C as shown below. Spheres A and B are made of the 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 sphere A. The density of A is double that of C.
|
Now answer the following questions:
- Find the ratio of masses of spheres A and B.
- Find the ratio of the volumes of spheres A and B.
- Find the ratio of masses of spheres A and C.
