2 years ago

What are the units of measurement in the international system of units?

Physics

1 answer:

emmainna [20.7K]2 years ago

7 0

Ampere
Candela
Second
Metre (Meter)
Kilogram
Kelvin
and (added in 1971 was) Mole

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boyakko [2]

Answer:

The correct answer is B. Statements (i) and (ii) are true.

Explanation:

Fisrt statement:

Electromagnetic radiation such as wave, wavelength λ and oscillation frequency ν are related by a constant, the speed of light. The equation is given by:

$c= \lambda \nu$

So the first statement is true.

Second statement:

$c=\lambda \nu\\c= 3.0 A \times 1.0\times 10^{18} Hz\\c= 3.0\times 10^{-10} m \times 1.0\times 10^{18} s^{-1}\\c=3\times 10^8 \frac{m}{s}$

The value of c in the vacuum is 3×10⁸ m/s. Hence, the second statement is true.

Third statement:

The speed of any electromagnetic radiation is constant regardless the type of radiation.

Hence, the third statement is false.

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Leviafan [203]

Answer:

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Explanation:

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The speed that light travels :

OLga [1]

I think it might be C.

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Your friend is wearing a red coat. When white light hits the coat, some light is reflected, and some is absorbed.

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