More Questions on This Topic :
Question 1. A light year is a measure of :....
Question 2. The time period of a seconds pendulum is....
Question 4. One billionth of a second is called....
Question 6. The unit of energy in MKS system is....
Question 7. One light year is equal to....
Question 8. Parsec is the unit of....
Question 9. One nanometer is equal to ________ meters.....
Question 10. The Length of the Day is determined in....
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