Advertisements
Advertisements
प्रश्न
What is a seconds pendulum?
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.
APPEARS IN
संबंधित प्रश्न
Complete the following: 1 g =………kg
State the factors which determine the number of significant figures for the calculation of the final result of an experiment.
Name the SI unit of mass and define it.
The distance between the two places is 43.65 km. Convert it into metre and cm.
How will you measure the weight of the object with irregular shapes?
Match the following:
| 1. | Length | 1. | ampere (A) |
| 2. | time | 2. | Kelvin (K) |
| 3. | Mass | 3. | meter (M) |
| 4. | Temperature | 4. | second (S) |
| 5. | Electric current | 5. | kilogram (K) |
Define measurement.
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. 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.
Define measurement.
Questions based on Higher Order Thinking skills:
|
There are three spheres A, B, and 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.
|
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.
