<span> It will travel 1530 m* 6 seconds =9180m. thus the depth there will be 9180/2=4590m.</span>
Answer:
i am not a point taker i help people when they need help
Explanation:
3
i think it is right
Answer:same
Explanation:
Frequency will remain same irrespective of refractive index of material because frequency is the ratio of velocity and wavelength .
When a wave travel from one material to another then its wavelength and velocity changes in that medium and they adjust itself to give same frequency
Answer:
Halos, blurriness, and night blindness causes night vision (symptoms) while vitamin-A,corrective lenses, such as eyeglasses or contacts, can improve or help night vision.
Explanation:
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