Advertisements
Advertisements
प्रश्न
Give scientific reasons:
Astronauts on the moon can not hear each other directly.
उत्तर
Sound requires medium to travel. The absence of atmosphere on the Moon makes it medium less. Thus, the astronauts on the Moon cannot hear each other directly because of the absence of the medium.
संबंधित प्रश्न
What is the effect of wavelength and amplitude on the speed of sound?
Name the physical quantity whose SI unit is ‘hertz’. Define.
Define the term frequency.
If any explosion takes place at the bottom of a lake, what type of shock waves in water will take place?
In order to reduce the loudness of a sound, we have to
Pitch of sound is determined by its
What is the lowest limit of audible frequency?
The frequency of a source of sound is 60 Hz. Then the number of vibrations in a minute will be ______.
Define:
Frequency
Define:
Wavelength
