A Light Ray in Air Enters and Passes Through a Block

question 37

Multiple Choice

A light ray in air enters and passes through a block of glass. What can be stated with regard to its speed after it emerges from the block?

• A) Speed is less than when in glass.
• B) Speed is same as that before it entered glass.
• C) Speed is same as that in glass.
• D) Speed is less than before it entered glass.

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Definitions:

Computer Science

The study of algorithmic processes, computational machines, and computation itself.

Natural Sciences

Academic disciplines that study the natural world, using empirical evidence and scientific methods.

Knowledge Acquisition

The process by which individuals or systems gather information and understanding about a subject, leading to learning and the development of expertise.

Grafting

In organizational context, it refers to acquiring new knowledge or skills from outside sources to foster innovation or solve problems.