7. For visible light, which property changes with color I frequency Il period III. wavelength A. lll only B. I and II C.land I D. I, II, and II
![7 For Visible Light Which Property Changes With Color I Frequency Il Period III Wavelength A Lll Only B I And II Cland I D I II And II class=](https://ph-static.z-dn.net/files/da4/0a0a797ee063141a0d5a1c4d83d5387e.jpg)
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Explanation: