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3 years ago

Describe briefly what specific information is given by each of the four quantum numbers

1 answer:

3 0

The following information is given by each four quantum numbers
<span>Main energy level,
Sublevels in main energy levels,
Number of orbitals per </span><span>sublevel,
number of orbitals per main energy level, number of electrons per sublevels
</span>hope it helps

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A set is any collection of objects. true or false.

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It can be, but set also means many other things.

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3 years ago

1. Determine the image distance in each of the following.

miskamm [114]

It is given that for the convex lens,

Case 1.

u=−40cm

f=+15cm

Using lens formula

−

v=+24.3cm

The image in formed in this case at a distance of 24.3cm in left of lens.

Case 2.

A point source is placed in between the lens and the mirror at a distance of 40 cm from the lens i.e. the source is placed at the focus of mirror, then the rays after reflection becomes parallel for the lens such that

u=∞

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∞

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3 years ago

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Answer:

five characteristics: Wavelength, Amplitude, Time-Period, Frequency and Velocity or Speed

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6) A stone is thrown vertically upward and returns to its starting position in o 5 s,What was its initial velocity?

NikAS [45]

25m/s if you are using -10 as gravity

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3 years ago

A rock is thrown horizontally from a bridge with a velocity of 17.0 m/s. It takes the rock 3.0 s to strike the water below. What

zalisa [80]

Answer:

V= 33.98 m/s

Explanation:

Given that

Horizontal speed ,u= 17 m/s

Time taken by rockets to strike the water ,t= 3 s

We know that acceleration due to gravity ,g= 9.81 m/s²

There is no any acceleration in the horizontal direction that is why the horizontal veloity will remain constant.

In the vertical direction

vy = uy+ g t

Initial velocity in vertical direction is 0 m/s.

vy= 0+ 9.81 x 3

vy = 29.43 m/s

The resultant velocity

$V=\sqrt{v_y^2+u^2}$

$V=\sqrt{29.43^2+17^2}\ m/s$

V= 33.98 m/s

7 0

3 years ago