Given below are two statements, one is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A) :

When lightning strikes, the sound is heard a little after the flash is seen.

Reason (R):

The velocity of light is greater than that of the sound.

In the light of the above statements, choose the correct answer from the options given below :

Assertion (A): "When lightning strikes, the sound is heard a little after the flash is seen."

• This is a true statement that everyone has experienced during thunderstorms

Reason (R): "The velocity of light is greater than that of the sound."

• This is also true: Light travels at approximately 3×10⁸ m/s while sound travels at about 340 m/s in air

The statement in (A) occurs BECAUSE light travels faster than sound:

• When lightning strikes, both light and sound are created simultaneously
  • Because light travels much faster than sound, we see the flash first
  • The sound (thunder) reaches us later due to its slower speed
  • This delay is directly caused by the difference in velocities

Hence, Option 1 is correct.