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प्रश्न
The year 2020 will have February of 29 days'. Is this statement true?
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उत्तर
Yes, the given statement is true.
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संबंधित प्रश्न
Complete the following: 1 fermi = ……….. m
Complete the following:
1 mean solar day = _______ s.
State the unit in which mass is measured in S.I. system.
State or define the following term:
Year
Amongst the various physical measurements recorded in an experiment, which physical measurement determines the degree of accuracy?
What do you understand by the term dependent variable?
Define standard meter.
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, 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. 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 volumes of spheres A and B.
- Find the ratio of masses of spheres A and C.
