download mcq questions for class 8 science

MCQ Questions for Class 8 Science Chapter 13 Sound Here we are providing mcq questions for class 8 science. In this article, we are covering Class 8 Science Chapter 13 Sound. Question 1.The hearing range of human ear is(a) 20 Hz to 20,000 Hz(b) less than 20 Hz(c) more than 20,000 Hz(d) 20 Hz to … Read more