1)Radio wave is___in wavelength than the gamma ray.
A.Lower
B.Higher
C.Shoter
D.Longer
2) Microwave is ___in frequency than infrared.
A.Lower
B.Higher
C.Shorter
D.Longer
3)InFrared is ____in wavelength than visible light.
A.Lower
B.Higher
C.Shorter
D.longer
4)X-ray is ___ in wavelength than gamma ray.
A.Lower
B.Higher
C.Shorter
D.Longer
​