Question

SOD! Pals
Name the SI unit of (i) temperature and (ii) electric current.
2. Name and define the SI unit of luminous intensity.
Name a system of units that is not based on units of mass, length and time alone
List the SI base quantities and write their units with symbols.
What are the advantages of SI?
A star is located 9 light years from us. What is the distance in parsec?
7. Define 1 light year and write its value.
Define astronomical units and write its value.
9. Define light year and express it in metres.
10. Express parsec in light years.
11. Express light year in metres. What is its order of magnitude?
12. Define astronomical unit and parsec.
13. The moon subtends an angle of 57 minutes at the base-line equal to the radius
distance of the moon from the earth? Radius of the earth=6.4 x 10°m.
14. The parallax of a heavenly body measured from two points diametrically op
is 10 minute. If the radius of the earth is 6400 km, find the distance of the​

Answer 1

Answer:

Kelvin and ampere is the si unit