Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

Find the illuminance from a lamp at half distance if the illuminance is 20 Im/m2 from a lamp at distance 1 metre.

A. 40 lm/m2
B. 30 lm/m2
C. 80 lm/m2
D. 60 lm/m2
Answer» D. 60 lm/m2
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