Q3 of 199 Page 185

Name the type of waves which are used by astronauts to communicate with one another on moon (or in outer spece).

The type of waves which are used by astronauts to communicate with one another on moon (or in outer spece) are radio waves.


More from this chapter

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1

Can sound travel through (a) iron, and (b) water?

 2

Can sound travel through vacuum?

 4

Name one solid, one liquid and one gas through which sound can travel.

 5

Which of the following cannot transmit sound?

Water, Vacuum, Aluminium, Oxygen gas