Explore topic-wise MCQs in Science.

This section includes 1 Mcqs, each offering curated multiple-choice questions to sharpen your Science knowledge and support exam preparation. Choose a topic below to get started.

1.

20 dB has hundred times more energy than

A. 10 dB
B. 0 dB
C. 5 dB
D. 2 dB
Answer» C. 5 dB