PQ is a thin rod on a horizontal table, RS is a plane mirror inclined...

JAMB 1983

PQ is a thin rod on a horizontal table, RS is a plane mirror inclined at \( 45^{\circ}C\) to the horizontal as shown above. The image of PQ as seen in the mirror by the eye T is

A. horizontal
B. parallel to the mirror
C. at infinity
D. vertical
E. highly magnified

Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts

WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now

Your School's Whatsapp Group - Join Us now

Correct Answer: Option D

Explanation

The mirror's 45° tilt makes the horizontal rod PQ appear vertical. This occurs because the tilt rotates the image by 90° for the observer, a common effect in optics with 45° mirrors.

Previous Next

Go back to Phy classroom

Report an Error Ask A Question Download App