A Concave Spherical Mirror with a Radius of 20 Cm

question 32

Multiple Choice

A concave spherical mirror with a radius of 20 cm creates a real image 30 cm from the mirror.How far is the object from the mirror?

• A) 50 cm
• B) 20 cm
• C) 15 cm
• D) 7.5 cm
• E) 5.0 cm

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Definitions:

Boolean Equation

A mathematical expression that uses Boolean algebra, involving variables that take values from a two-element set (usually 0 and 1) and are combined using logical operations.

Ladder Logic

A graphical programming language resembling the schematic diagrams of relay logic hardware, used to program PLCs.

Logic Represented

The symbolic depiction of logical operations and relationships, typically used in the development and analysis of algorithms, circuits, and programming.

Boolean Equation

A mathematical expression that involves Boolean algebra and uses binary variables and logical operations, commonly used in computer science and digital electronics.