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Stells [14]
2 years ago
9

In the video, light passing through two slits creates a pattern of bright and dark fringes on a screen. The bright fringes resul

t from __________; the dark fringes result from __________. In the video, light passing through two slits creates a pattern of bright and dark fringes on a screen. The bright fringes result from __________; the dark fringes result from __________. Diffraction, constructive interference Diffraction, destructive interference Constructive interference, destructive interference Diffraction, interference
Physics
1 answer:
stealth61 [152]2 years ago
4 0

Answer:

Constructive interference: destructive interference

Explanation:

Constructive interference occurs when waves are in phase or sync with one another and will lead to brighter and bolder results while destructive interference occurs when waves are out of phase with one another.

In this scenario, light passing through two slits creates a pattern of bright and dark fringes on a screen. The bright fringes result from constructive interference ; the dark fringes result from destructive interference.

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1. Do you think that hand signals are important in officiating games? why?​
alex41 [277]

Yeah, hand signals are important in officiating games. The hand signals are given by the referee who first signals the fault and then indicates which team has won the point. A point is indicated by one finger at the side of the court to indicate the winner of the rally.

5 0
3 years ago
How much power does it take to do 500 J of work in 10 seconds?
Dmitry_Shevchenko [17]
Power = work/time
  
          = 500/10
 
          = 50J/s or 50 watt 


7 0
3 years ago
A body weighs 10newton in air and 9.5 in water. How will it weigh in alchohol if density 0.8gcm-³​
Katen [24]

Answer:

The weight of object in alcohol is, W₀ = 9.6 N

Explanation:

Given,

The weight of body in air, Wₐ = 10 N

The weight of the body in water, Wₓ = 9.5 N

The density of the alcohol, ρ = 0.8 g/cm³

                                                = 800 kg/m³

The weight of body in water = weight of object in air - weight of water displaced

                        9.5 N = 10 N - weight of water displaced

                       Weight of water displaced = 0.5 N

The mass of the displaced water, m = 0.5 / 9.8

                                                            = 0.051 kg

Therefore the volume of the water displaced,

                                              V = m / ρ

                                                  = 0.051 / 1000

                                                   = 5.1 x 10⁻⁵ m³

<em>The volume of water displaced is equal to the volume of alcohol displaced</em>

Therefore, the mass of the alcohol displaced, = V x ρ

                                                                             = 5.1 x 10⁻⁵ x 800

                                                                             = 0.0405 kg

The weight of the alcohol displaced, w = 0.0405 x 9.8

                                                                    = 0.4 N

Therefore,

The weight of body in alcohol = weight of object in air - weight of alcohol displaced

                             W₀ = W - w

                                    = 10 N - 0.4 N

                                     = 9.6 N

Hence, the weight of object in alcohol is, W₀ = 9.6 N

4 0
3 years ago
Match the type of heat transfer with its description
VikaD [51]

Answer:

1. Convection

2. Radiation

3. Conduction

Hope this helps!

Explanation:

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Tpy6a [65]
Alaska-                   Subartic Climate 
Portland, Oregon-  Marine West Coast Climate
Key West, Florida- Tropical Savannah Climate
3 0
3 years ago
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