3 years ago

Which are characteristics of refraction

1 answer:

4 0

Answer:

When light travels from one medium to another, the frequency of light does not change. However, the velocity and wavelength change.

Explanation:

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Exert force upward.
Like when you pick something up from the floor, or walk up the stairs.

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What statements best describe magnets?

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they stick together when they get close

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If a person does 20 J of work on a book in 10 seconds, how powerful was the person while doing the work?

Korolek [52]

Answer:

2 W

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2 years ago

What is dispersion of light?

algol13

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$\huge \bold \blue{ \underline{ answer}}$

The splitting up of light into its constituent colours while passing from one medium to the other is called dispersion.

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2 years ago

Read 2 more answers

A protein molecule in an electrophoresis gel has a negative charge.The exact charge depends on the pH of the solution, but 30 ex

Ad libitum [116K]

Answer:

The magnitude of the electric force on a protein with this charge is $7.2\times10^{-15}\ N$

Explanation:

Given that,

Electric field = 1500 N/C

Charge = 30 e

We need to calculate the magnitude of the electric force on a protein with this charge

Using formula of electrostatic force

$F=Eq$

Where, F = force

E = electric field

q = charge

Put the value into the formula

$F=1500\times30\times1.6\times10^{-19}$

$F=7.2\times10^{-15}\ N$

Hence, The magnitude of the electric force on a protein with this charge is $7.2\times10^{-15}\ N$

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3 years ago