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2 years ago

Im Giving 50 Points!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Physics

2 answers:

nlexa [21]2 years ago

4 0

B.f. skinner is the founder of operant conditioning .

PtichkaEL [24]2 years ago

3 0

B. F. Skinner is considered the founder of operative conditioning (the type with reward and punishment). He performed an experiment called the Skinner Box where he stuck a rat in a box and got it to press a lever in order to obtain food.

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A ball is rolling across the floor at a constant speed. What will happen to the ball if it is exposed

ELEN [110]

I think it’s speed will increase, if I understood it correctly

7 0

2 years ago

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Monochromatic light of wavelength 580 nm passes through a single slit and the diffraction pattern is observed on a screen. Both

Nuetrik [128]

Answer:

Part a)

Width of the slit is

$a = 580 nm$

Part b)

Ratio of intensity is given as

$\frac{I}{I_o} = 0.81$

Explanation:

Part a)

As we know by the formula of diffraction we will have

$a sin\theta = \lambda$

so we have

$\theta = 90$

$\lambda = 580 nm$

so we will have

$a sin90 = 580 nm$

$a = 580 nm$

Part b)

As we know that the intensity in diffraction pattern is given as

$I = I_o (\frac{sin\theta}{\theta})^2$

$\frac{I}{I_o} = (\frac{sin\theta}{\theta})^2$

so for angle 45 degree

$\frac{I}{I_o} = (\frac{sin45}{\pi/4})^2$

$\frac{I}{I_o} = 0.81$

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3 years ago

What would happen if you place 2 Plane Mirrors parallel to each other?

e-lub [12.9K]

Answer:

No image will be observed.

Explanation:

Images that are created by mirrors are virtual images. This virtual image can only be seen by an observer. In this case, an infinite number of images or no image will be created here as both will be reflecting their own images. Light will continuously bounce back and forth reflecting the same image.

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2 years ago

Which of these consumers is an herbivore? *

ale4655 [162]

Answer:

2. deer

Explanation:

The lion, spider, and snake eat meat or to an extent.

Deer don't eat meat

3 0

2 years ago

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Why is doing research helpful if you're creating the procedure for an experiment?

never [62]

B. The answer is most likely B

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3 years ago