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:

Web-Based Meeting Systems

Online platforms that enable virtual meetings, allowing participants to communicate in real-time via video, audio, and text.

Real-Time Communication

Instantaneous exchange of information through electronic means, allowing for immediate feedback.

Videoconferencing

A technology that allows users in different locations to hold face-to-face meetings without having to move to a single location, using video and audio transmissions.

Effective Listener

Someone who actively listens, understands, and engages with the speaker, demonstrating comprehension and empathy.