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nika2105 [10]
2 years ago
13

A light wave has a frequency of

le="(6 \times {10}^{8})." alt="(6 \times {10}^{8})." align="absmiddle" class="latex-formula">
What is the wavelength of the light wave?
(Assume the speed of light to be (3 \times {10}^{8}).)

​
Physics
2 answers:
svlad2 [7]2 years ago
8 0

Answer:

0.5m or 50 cm

Explanation:

andrey2020 [161]2 years ago
6 0

Hope it helps

Have a good day Ahead

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the density of a steel is 7.8.find the mass of steel cube of side 10 cm. find volume of steel if the mass is 8kg​
lukranit [14]

Answer:

Mass of the steel cube =  7800 kg

Volume of the steel  = 1.025 cubic centimetre

Explanation:

Given:

The density of the steel   =  7.8

Side of the cube = 12 cm

<u>(1)The mass of steel cube :</u>

We know that,

Density  = \frac{Mass}{Volume}

We are given with density and sides of the cube

then volume of the cube

= (side)^3

= 10^3

= 1000 cubic centimetre

Now

7.8 = \frac{mass}{1000}

mass = 7.8 \times 1000

mass =  7800 kg

<u>(2)volume of steel:</u>

Given the mass  = 8 kg

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