Question

Answer all with explaination

Answer 1

Answer:

Your answers are:

1. Option (A) as Kilogram is S.I unit of mass. IT IS NOT A QUANTITY.
2. Option(C), because light year is the distance travelled by light in a year. This is equal to 9.46×10^15 years.
3. PARSEC is the astronomical unit of distance. Hence it is option (C)
4. Parallactic second is also known as PARSEC which is a unit of distance as explained in the above answer. Hence it is option (B).
5. S.I unit of system is not only based on time mass and length. It also has units of ELECTRICAL CURRENT, AMOUNT OF SUBSTANCE, LUMINOUS INTENSITY etc. Hence it is option (B)