the frequency of green light is 6×101^4 what is it's wavelengththe frequency of green light is 6 x 10 raise to power 14 what is
1 answer:
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Answer:
Apparent depth = 45 cm
Explanation:
The refractive index of water in a pool, n = 4/3
Real depth, d = 60 cm
We need to find its apparent depth when viewed vertically through air. The ratio of real depth to the apparent depth is equal to the refractive index of the material. Let the apparent depth is d'. So,
So, the apparent depth is 45 cm.
Answer:
The velocity of the ship relative to the earth V = 9.05
Explanation:
The local ocean current is = 1.52 m/s
Direction = 40°
Velocity component in X - direction = 1.52
°
= 1.164
Velocity component in Y - direction = 8 + 1.52
°
= 8.97
The velocity of the ship relative to the earth
Put the values of and
we get,
⇒
⇒ V = 9.05
This is the velocity of the ship relative to the earth.