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navik [9.2K]
3 years ago
12

How many elections do atoms typically “want” in their valence shell? This is timed, please help!

Physics
1 answer:
9966 [12]3 years ago
4 0

Answer:

They typically "want" 2, so the answer is C.

Explanation:

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Which of the following is the equation for calculating daily caloric needs? A. BMR calories + Digestion calories B. BMR calories
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Let's explain the following electrical terms.

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The name ammeter was derived from the unit of electric current (Amperes).

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3 0
1 year ago
Light of wavelength 476.1 nm falls on two slits spaced 0.29 mm apart. What is the required distance from the slits to the screen
stich3 [128]

Answer:

The distance is D  =  2.6 \ m

Explanation:

From the question we are told that

    The wavelength of the light is  \lambda  =  476.1 \ nm  =  476.1 *10^{-9} \ m

      The  distance between the slit is  d =  0.29 \  mm  =  0.29 *10^{-3} \ m

       The  between the first and second dark fringes is  y =  4.2 \ mm  =  4.2 *10^{-3} \ m

Generally  fringe width is mathematically represented as

       y  =  \frac{\lambda * D }{d}

Where D is the distance of the slit to the screen

   Hence

        D  =  \frac{y *  d}{\lambda }

substituting values

       D  =  \frac{ 4.2 *10^{-3} *   0.29 *10^{-3}}{ 476.1 *10^{-9} }

        D  =  2.6 \ m

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