1151Every Day ScienceMedium
Sound travels in air at an average speed of nearly________ ?
A1257 miles per hour
MCQs
Read every question, see the correct answer, and understand the explanation at your own pace. Study mode has no timer and no negative marking.
Correct answer
C. 755 miles per hour
Explanation
755 miles per hour is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. Film
Explanation
Film is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. Barium
Explanation
Barium is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. Influenza
Explanation
Influenza is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. Gastrin
Explanation
Gastrin is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. AB
Explanation
AB is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. Loosely bound
Explanation
The electrons can be removed from an atom with much lower energy as compared to a proton. In fact, according to the electron-sea model of metals, a metal consists of a large number of free electrons that are not bonded to any particular atom but are free to move around the whole lattice.
Correct answer
A. Copernicus
Explanation
Copernicus is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. Solid Carbon dioxide
Explanation
Solid Carbon dioxide is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. Composting
Explanation
Composting is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.