Question

the speed f light in air is 30*10^4 km/sec (approximately).how much distance will light travel in 1 minute?

Answer 1

FIRST STEP :  (KMS= kilometer minutes seconds)

FIND THE NO. OF KMS LIGHT TRAVELED IN ONE SECOND

30x10 = 300

THAN FIND THE NO. OF KMS IN ONE MINUTE

i.e. NO. OF KMS IN ONE SECOND (MULTIPLIED BY) NO. OF SECONDS IN ONE MINUTE

300X60=18000 KMS/MINUTE

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