4. gamma rays are high-frequency low-energy waves.
true
false

5. radio waves can be damaging to the human body because they are the waves with the most photon energy.
true
false

6. the frequencies of visible light are the highest frequencies on the electromagnetic spectrum
true
false

4). FALSE

5). FALSE

6). FALSE

Explanation:

4).

As we know that electromagnetic waves are combination of several frequency of different order

If we arrange all waves in increasing order of energy then we will have

1. Radio waves

2. Microwaves

3. Infrared waves

4. Visible Light

5. Ultraviolet Rays

6. X rays

7. Gamma Rays

So here we can say that gamma rays are of highest frequency and as we know frequency is directly proportional to the energy so gamma rays are also of highest energy.

5).

As we know from above order of all electromagnetic waves that radio waves are of lowest frequency range

So energy possessed by radio waves is minimum energy.

So the photon energy of radio waves must be minimum energy

6).

As we can see that frequency range of visible light lie in the middle of all electromagnetic waves

so visible light is neither minimum frequency range nor it is highest frequency range

the correct choice is a .

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this is poiselle's equation from fluid mechanic in physics. mech eng