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प्रश्न
What is a seconds pendulum?
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उत्तर
A seconds pendulum is a pendulum which takes 2 seconds to complete one oscillation. The length of the seconds pendulum, where g = 9.8ms-2, is nearly 1 m.
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संबंधित प्रश्न
Complete the following: 1 m =……….Å
Fill in the blank:
The unit is which we measure the quantity is called ________.
State four characteristics of a standard unit.
State or define the following term:
Year
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Put the symbol in the box given below.
640 g `square` 800 g
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Define 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
- Find the ratio of masses of spheres A and C.
