A Real Object Is 30 Cm from a Negative Lens

question 12

Multiple Choice

A real object is 30 cm from a negative lens that has a focal length f = -20 cm.The image is

• A)virtual and 30 cm from the lens.
• B)real and 12 cm from the lens.
• C)virtual and 12 cm from the lens.
• D)real and 20 cm from the lens.
• E)None of these is correct.

Identify the factors affecting the strength of an electromagnet.

Distinguish between the classifications of magnetic materials.

Understand the function and significance of color bands on resistors.

Differentiate between various types of resistors based on their construction and applications.

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Definitions:

Reflecting

The process of deep thinking or pondering over experiences, ideas, or emotions to gain insights or understanding.

Teaching

The act or profession of imparting knowledge, skills, or beliefs, typically in an educational setting.

Multi-Tasking

The process of handling more than one task at the same time.

Critical Thinking

The process of executing an impartial assessment and review of a problem to derive a reasoned judgment.