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
How is nanometer related to Angstrom?
State or define the following term:
Second
What do you understand by the term order of magnitude of a quantity?
Name the SI unit of mass and define it.
Put the symbol in the box given below.
640 g `square` 800 g
Conversion of 7 m into cm gives _____
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.
Define measurement.
Define measurement.
