Why can supernova explosions in space be seen but not heard on earth?

Because sound cannot travel in vacuum but light can.

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Because light cannot travel in vaccum but sound can

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Because sound produced is beyond audible range of human ears.

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None of these.

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Solution

The correct option is A Because sound cannot travel in vacuum but light can.
Light does not require a medium to travel through but sound requires a medium to travel, so it cannot be transmitted through space. That is why we are able to see the supernova explosions but cannot hear them.

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Similar questions

The correct statement is :

(a) Sound and light both require medium for propagation

(b) Sound can travel in vacuum, but light can not

(d) Sound and light both can travel in vacuum.

Similar to sound, light can not travel in a vacuum.

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