A Concave Mirror Forms a Real Image Which Is Twice

question 52

Multiple Choice

A concave mirror forms a real image which is twice the size of the object.If the object is 20 cm from the mirror, the radius of curvature of the mirror must be about:

• A)13 cm
• B)20 cm
• C)27 cm
• D)40 cm
• E)80 cm

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Definitions:

Max Weber

A German sociologist, philosopher, and political economist whose ideas influenced social theory and social research, known for his works on bureaucracy and organizational structures.

Specialisation and Division of Labour

The organizational strategy of breaking down the production process into smaller tasks, with each worker or group of workers specializing in a particular element, leading to increased efficiency and productivity.

Mathematical Techniques

Various methods and tools derived from mathematics used to solve problems, analyze data, or model and predict outcomes.

Behavioural Approaches

Strategies or methods in psychology and management focusing on studying and modifying observable actions and reactions in individuals.