Advertisements
Advertisements
प्रश्न
Define standard meter.
Advertisements
उत्तर
A standard metreis equal to 1650763.73 wavelengths in vacuum, of the radiation from krypton isotope of mass 86.
संबंधित प्रश्न
Define Standard metre.
What are the fundamental units in SI system? Name them along with their symbols.
What is the clock used by ancient people to measure daytime?
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) |
Bholu and Golu are playing in the ground. They start running from the same point A in the ground and reach point B at the same time by following the paths marked 1 and 2 respectively as shown in the following figure. Which of the following is/are true for the given situation.
As compared to Golu, Bholu covers a
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.
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 question.
- 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.
Define measurement.
Define measurement.
