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A thunder clap is heard 5.5 seconds after lightning flash. The distance of the flash is (Velocity of sound in air = 330 m/s)
  • a)
    1750 m
  • b)
    1815 m
  • c)
    3000 m
  • d)
    3500 m
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
A thunder clap is heard 5.5 seconds after lightning flash. The distanc...
Given data:
Time taken for thunder to reach = 5.5 s
Velocity of sound in air = 330 m/s

Formula:
Distance = Velocity × Time

Calculation:
According to the given data, the time taken for thunder to reach is 5.5 seconds after the lightning flash. Hence, the distance travelled by the sound wave can be calculated using the formula mentioned above.

Distance = Velocity × Time
Distance = 330 m/s × 5.5 s
Distance = 1815 m

Therefore, the distance of the flash is 1815m, which is option (B).
Community Answer
A thunder clap is heard 5.5 seconds after lightning flash. The distanc...
Since speed =distance /time
then distance =speed × time
so distance = 330×5.5
which is 1815m
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