Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
Parsec refers to the distance at which an arc of length equal to 1 astronomical unit subtends an angle of one second at a point.
No, a parsec is not the same as the astronomical unit (A.U.).
1 Parsec = 2 X 105 A.U.
APPEARS IN
संबंधित प्रश्न
Complete the following: 1 nano second =……….s.
A boy measures the length of a pencil and expresses it to be 2.6 cm. what is the accuracy of his measurement? Can he write it as 2.60 cm?
Fill in the blank:
The unit is which we measure the quantity is called ________.
Express the order of magnitude of the following quantity:
222444888 kg
State two units of mass smaller than a kilogram?
The distance between Delhi and Chennai can be measured in ______.
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.
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.
