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3 years ago

A water wave traves with a length of 10 meters and a frequency of 30 hertz, what is the velocity of the wave?

Physics

1 answer:

UNO [17]3 years ago

4 0

Answer: 300 m/s

Explanation:

Given that:

length of water wave (λ) = 10 metres

Frequency of water wave (F) = 30 Hertz

Velocity of water wave (V) = ?

The velocity of a wave is the distance covered by the wave in one second. It is measured in metre per second, and represented by the symbol V. It is related to frequency and wave length by the formula: V = F λ

V = 30 Hertz x 10 metres

V = 300 m/s

Thus, the velocity of the water wave is 300 m/s

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In a double-slit experiment, the slits are illuminated by a monochromatic, coherent light source having a wavelength of 507 nm.

stira [4]

Answer:

The path difference is $2.53 \times 10^{-6}$ m

Explanation:

Given:

Wavelength of light $\lambda = 507 \times 10^{-9}$ m

Distance between slit and screen $D = 1.32$ m

Distance between two slit $d = 0.112 \times 10^{-3}$ m

Order of interference $n = 5$

From the formula of interference of light,

$d\sin \theta = n\lambda$

Where $d \sin \theta =$ path difference, $n =$ order of interference

Here we have to find path difference,

Path difference $= 5 \times 507 \times 10^{-9}$ m

Path difference $= 2.53 \times 10^{-6}$ m

Therefore, the path difference is $2.53 \times 10^{-6}$ m

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3 years ago

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elena-s [515]

Answer:

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Explanation:

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