Bright and Dark Fringes Are Seen on a Screen When

question 11

Multiple Choice

Bright and dark fringes are seen on a screen when light from a single source reaches two narrow slits a short distance apart. The number of fringes per unit length on the screen can be halved

• A) if the distance between the slits is changed to .
• B) if the wavelength is changed to .
• C) if the distance between the slits is the wavelength is changed to .
• D) if any of the above occurs.
• E) only if the width of the slits is changed to .

Differentiate between various developmental and psychological theories.

Apply knowledge of developmental theories to practical situations in child education and care.

Understand the concepts of price ceilings and their impact on market equilibrium.

Identify and describe the role and effects of quotas in market operation.

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Definitions:

Meat Powder

In classical conditioning research, a substance used by Ivan Pavlov that triggered salivation in dogs as an unconditioned stimulus.

Classical Conditioning

An educational procedure involving the repeated pairing of two stimuli, resulting in a reaction initially caused by the second stimulus being provoked by only the first stimulus over time.

Observational Learning

The process of acquiring knowledge, behaviors, or skills by watching and imitating the actions of others, without direct instruction or personal experience.

Instrumental Learning

Instrumental Learning, also known as Operant Conditioning, is a learning process wherein behavior is modified through reinforcement or punishment.