What do radio waves, microwaves, light, and x-rays have in common?
2 answers:
Answer:
Microwaves
Light Waves
Radio Waves
X Rays
All above are different energy range of electromagnetic waves
So all of the above have many common properties as following
1. All of the above will travel at speed of in vacuum or air
2. All above can travel without any medium as they propagate in form of electric field and magnetic field
3. All waves have effect of medium on their wavelength and speed
4. All waves have no effect on frequency due to change in medium
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Answer:
t = 4.58 s
Explanation:
In this problem, we need to find the time elapse between seeing lightning and hearing the thunder if the lightning strikes 1mi (5280 ft) away and the air temperature is 90.0°F.
T = 90.0°F = 32.2 °C
The speed of sound at temperature T is given by :
v = (331.3 +0.6T)
Put T = 32.2°C
So,
v = (331.3 +0.6(32.2))
= 350.62 m/s
We have, distance, d = 1 mile = 1609.34
So,
So, the required time is equal to 4.58 seconds.