Q 2. Consider the following statements:
1. Light years is one of the units to measure time taken by light from far off celestial bodies to reach the earth.
2. Light is an electromagnetic wave which travels at constant speed in vacuum.
Which of the following alternatives is correct in regard to the above statements?
a. Both Statements 1 and 2 are correct and Statement 2 correctly explains Statement 1
b. Both Statements 1 and 2 are correct and Statement 2 does not correctly explain Statement 1
c. Statement 1 is incorrect and Statement 2 is correct
d. Statement 1 is correct and Statement 2 is incorrect