Question

We receive light from the sun but cannot hear the exploding sounds produced on its surface due to nuclear reactions. Explain.

Briefly explain it!

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Answer 1

Answer:

Light can travel in vaccum as well as in air as it's a non mechanical wave

Whereas sound is a mechanical wave which requires medium for it's propagation. So we cannot hear exploding sounds produced on Earth's surface due to nuclear reactions....

Answer 2

Required Answer:

This question is quite similar to that question which says why astronauts can't communicate through their voices in moon? The answer for both of the question is same.

Light and Sound both are forms of energy but they differ in terms of the medium requirement. Light is an electromagnetic wave, it is not dependent upon material medium whereas Sound is a mechanical wave, it requires a medium to travel.

❒ Reasons for the above phenomenon in the Question:

• The space between the Earth and the sun is complete vaccum, it's not a material medium.
• As we know that, light can travel when material medium is not present i.e. light can travel through vaccum.
• Sound requires material medium, so it can't travel through Vaccum.

Hence, the light emitted by the Sun can reach us because light can travel through Vaccum. But, Sounds that are caused due to Nuclear explosions in the Sun is not audible or can't be heard at all$.$

Explore more !!

Generally in the middle school, we study Light & Sound in our syllabus of contents but there are many other types of energy that we can see or feel in our surrounding. Like:

• Kinetic energy (Energy possessed in moving body)
• Potential energy (Energy possessed by a body on virtue of its position or configuration).
• Heat energy (Radiation when given out, sensation of temperature change).
• Chemical energy
• Electrical energy
• Nuclear energy........and so on.

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