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3 years ago

Which of these subshell designations are possible which are impossible? 1) 1d 2) 1p 3) 1f 4) 2p 5) 3s

Physics

1 answer:

Alexandra [31]3 years ago

8 0

1d 1f and 1p are impossible and 2p and 3s are possible

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Which statements describe vectors?

laila [671]

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Vectors have a size and direction. Each of the existing vector quantity has a magnitude and a direction. Having direction along with the magnitude is the difference of a vector quantity from a scalar quantity. Vectors are indicates with arrows.

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2 years ago

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What happens when light passes through a prism or diffraction grating?

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The light scatters in all directions.

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3 years ago

A robot is exploring charon, the dwarf planet pluto's largest moon. Gravity on charon is 0.278 meters per second [m divided b

DochEvi [55]

In order to find the efficiency first we will find the Change in Potential energy of the small stone that robot picked up

First we will find the mass of the stone

As it is given that stone is spherical in shape so first we will find its volume

$V = \frac{4}{3}\pi r^3$

$V = \frac{4}{3}\pi *(\frac{0.06}{2})^3$

$V = 1.13 * 10^{-4} m^3$

Now it is given that it's specific gravity is 10.8

So density of rock is

$\rho = 10.8 * 10^3 kg/m^3$

mass of the stone will be

$m = \rho V$

$m = 10.8* 10^3 * 1.13 * 10^{-4}$

$m = 1.22 kg$

now change in potential energy is given as

$\Delta U = mgH$

here

g = gravity on planet = 0.278 m/s^2

H = height lifted upwards = 15 cm

$\Delta U = 1.22* 0.278 * 0.15$

$\Delta U = 0.051 J$

Now energy supplied by internal circuit of robot is given by

$E = Vit$

V = voltage supplied = 10 V

i = current = 1.83 mA

t = time = 12 s

$E = 10* 1.83 * 10^{-3} * 12$

$E = 0.22 J$

Now efficiency is defined as the ratio of output work with given amount of energy used

$\eta = \frac{\Delta U}{E}*100$

$\eta = \frac{0.051}{0.22} = 0.23$

so efficiency will be 23 %

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3 years ago

What gives an atom its charge?

s344n2d4d5 [400]

An atom with a neutral charge is one where the number of electrons is equal to the atomic number

hope i helped

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A negative point charge - is at the center of a hollow insulating spherical shell, which has an inner radius R1 and an outer rad

Vaselesa [24]

The Explanation is Below

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3 years ago