Why does lightning always appear first before thunder is heard?
Light travels at speed (30,00,00,000 m/s) more than the speed of the sound (330 m/s in the air). Hence, lightning appears before the thunder is heard.
Light travels at speed (30,00,00,000 m/s) more than the speed of the sound (330 m/s in the air). Hence, lightning appears before the thunder is heard.
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