Advertisements
Advertisements
प्रश्न
Express the order of magnitude of the following quantity:
0.000,000,000,00027 m
Advertisements
उत्तर
0.000,000,000,00027 m = 2.7 × 10−13 m
Order of magnitude = 10−13 m
APPEARS IN
संबंधित प्रश्न
Name the physical quantities which are measured in the given units:-
ly
Name the physical quantities which are measured in the given units:-
ns
State four characteristics of a standard unit.
Complete the rollowing:
1 fermi __________ m
One cubic metre is equal to ______ cubic centimetre.
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) |
______ is the process of finding an unknown physical quantity by using a standard quantity.
A piece of ribbon folded five times is placed along a 30 cm long measuring scale as shown in the following figure.

The length of the ribbon is between
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.
Define measurement.



