an explosion occurs on the moon.will it be

a)seen

b)heard on the earth instantly or after sometime?

a) we may can see it depending upon how big is the explosion.

b) we cannot hear  becoz there is vaccum out in space.

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 a) Seen  because speed of light is 3,00,000 km / per sec. So the explosion on the moon will be seen first.

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 exlosion must see first and sound is heard later because the speed of light is more than sound

 

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FIRST SEEN THEN HEARD

  • -2

 It can be seen depending on the size of explosion but not heard as space is vacuum and sound needs a medium to travel.

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