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Y_Kistochka [10]
3 years ago
6

Which type of eclipse casts a shadow on the Earth?

Physics
1 answer:
MArishka [77]3 years ago
7 0
The answer is C) Solar eclipse.
Hope this helps!
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Consider a single photon with a wavelength of lambda, a frequency of v, and an energy of E. What is the wavelength, frequency, a
Shkiper50 [21]

The wavelength, frequency, and energy of a pulse of light containing 100 of this photon is lambda, v, and 100E D. The correct answer between all the choices given is the third choice or letter C. I am hoping that this answer has satisfied your query about this specific question.

8 0
3 years ago
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What is the energy of an electromagnetic wave that has a frequency of 5.0 * 10^5 Hz? Use the equation E=hf, where h=6.626 * 10^-
AfilCa [17]

Answer:

3.3*10^-28j

Explanation:

A P E X

3 0
3 years ago
A capacitor is charged to 8.0×10−4 C , then discharged by connecting a wire between the two plates. 35us after the discharge beg
Anettt [7]

Answer:

The average current is 19.567 A

Solution:

As per the question:

Charge, Q = 8.0\times 10^{- 4}\ C

Time, t = 35\times 10^{- 6}\ s

Now,

We know that current is constituted by the rate of transfer of the charge per unit time. Thus we can write:

I = \frac{Q}{t}                 (1)

Now, the charge that was transferred is 86 % of the original value.

Therefore,

We replace Q by 0.86Q in eqn (1):

I = \frac{0.86\times 8.0\times 10^{- 4}}{35\times 10^{- 6}} = 19.657\ A

7 0
4 years ago
What is Index of refraction?
Sphinxa [80]

Refractive Index is the measure of bending of light rays.

Explanation:

  • Index of refraction or Refractive Index is the measurement of the phenomenon exhibited by light rays - bending of light rays when passing from one medium to another.
  • It can also be measured as the ratio between speed of light in vacuum or empty space to that of the speed of light in a given medium.
  • Index of refraction is denoted by n and is calculated by the following formula

n = Speed of light in vacuum/Speed of light in the given medium = c/v

  • It can also be measured using the angle of incidence and angle of refraction.

n = sin i/sin r where i is the angle of incidence and r is the angle of refraction

3 0
4 years ago
Two identical balls each have a mass of 35.0 grams and a charge of . The balls are released from rest when they are separated by
OlgaM077 [116]

The given question is incomplete. The complete question is as follows.

Two identical balls each have a mass of 35.0 grams and a charge of q = 3.50 \times 10^{-6}C[/tex]. The balls are released from rest when they are separated by a distance of 6.00 cm. What is the speed of each ball when the distance between them has tripled? Use k = 9.00 \times 10^{9} Nm^{2}/C^{2}.

Explanation:

According to the conservation of energy, the formula will be as follows.

\frac{kq_{1}q_{2}}{r_{1}} = \frac{kq_{1}q_{2}}{(3r_{1})} + \frac{1}{2}mv^{2} + \frac{1}{2}mv^{2}

or,    \frac{kq_{1}q_{2}}{r_{1}}[1 - \frac{1}{3}] = mv^{2}

Putting the given values into the above formula as follows.

      \frac{kq_{1}q_{2}}{r_{1}}[1 - \frac{1}{3}] = mv^{2}

     \frac{9 \times 10^{9} \times (3.5 \times 10^{-6})^{2}}{0.09} \times \frac{2}{3} = \frac{35}{1000}v^{2}

           v^{2} = 23.333

                v = 4.83 m/s

Thus, we can conclude that speed of each ball when the distance between them has tripled is 4.83 m/s.

7 0
4 years ago
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