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Andreas93 [3]
2 years ago
8

What occurs when an unstable atomic nucleus changes into other nuclei by emitting particles and energy

Physics
1 answer:
Klio2033 [76]2 years ago
6 0
I'm not too sure but I think it's nuclear decay
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The objective lens in a microscope with a 17.0 cm long tube has a magnification of -50.0 and the eyepiece has a magnification of
Bas_tet [7]

Answer:

(a) 0.34 cm

(b) 1.32 cm

Explanation:

Given that, m_{o}=-50

m_{e}=20 cm

And the length of objective lens in a microscope

L=17

And we have d of the eyepiece is 25 cm.

(a) Focal length of the objective is,

f_{o}=-\frac{L}{m_{o} }\\  f_{o}=-\frac{17}{-50} \\f_{o}=0.34 cm

Therefore, objective lens's focal length is 0.34 cm.

(b) Focal length of an eyepiece,

m_{e}=(1+\frac{d}{f_{e} })\\  20=(1+\frac{25}{f_{e} }\\ f_{e}=\frac{25}{19}cm\\ f_{e}=1.32cm

Therefore, eyepiece's focal length is 1.32 cm.

5 0
2 years ago
Sally and Maria hypothesized that earthworms lived only in dark, damp places. They measured a one-meter square in a shady spot n
Reptile [31]
The answer is c replication
7 0
3 years ago
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Electromagnetic waves can behave like particles
Ilya [14]
Yes they can.  Uh-huh.  Indubitably.  That's right, Vanessa.  It's true.

A better way to say it might be:

         Electromagnetic radiation can behave like waves AND like particles.
3 0
3 years ago
A Young'sdouble-slit interference experiment is performed with monochromatic light. The separation between the slits is 0.44 mm.
Artyom0805 [142]

Answer:

Explanation:

The double slit interference phonemene is described for the case of constructive interference

          d sin θ= m λ                   (1)

let's use trigonometry to find the sinus

        tan θ = y / L

in general in interference phenomena the angles are small

       tan θ = sin θ / cos θ = sin θ

 

The double slit interference phonemene is described for the case of constructive interference

          d sin θ = m lam                    (1)

let's use trigonometry to find the sinus

        tan θ = y / L

in general in interference phenomena the angles are small

       tan θ = sin θ / cos θ = sin θ

we substitute

      sin θ = y / L

we substitute in equation 1

         d y / L = m λ

         λ = dy / L m

let's reduce the magnitudes to the SI system

  d = 0.44 mm = 0.44 10⁻³ m

  y = 5.5 mm = 5.5 10⁻³ m

  L = 4.2m

  m = 1

let's calculate

        λ = 0.44  10⁻³ 5.5 10⁻³ / (4.2 1)

         

        λ = 5.76190 10-7 m

let's reduce to num

  lam = 5.56190 10-7 m (109 nm / 1m)

  lam = 556,190 nmtea

we substitute

      without tea = y / L

we substitute in equation 1

         d y / L = m lam

         lam = dy / L m

let's reduce the magnitudes to the SI system

  d = 0.44 me = 0.44 10-3 m

  y = 5.5 mm = 5.5 10-3

  L = 4.2m

  m = 1

let's calculate

        lam = 0.44 10⁻³  5.5 10⁻³ / (4.2 1)

         

        lam = 5.76190 10⁻⁷ m

let's reduce to num

  lam = 5.56190 10⁻⁷ m (109 nm / 1m)

  lam = 556,190 nm

6 0
3 years ago
If white light shines on an object and the red, orange, green, blue and purple light is absorbed. What color does your eye see?
Marrrta [24]
I think that would be yellow.

8 0
2 years ago
Read 2 more answers
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