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
B. NA-1m-1
Explanation
NA-1m-1 is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. newton, N
Explanation
newton, N is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. Mean position
Explanation
Mean position is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. k^
Explanation
k^ is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. a gas filled ballon
Explanation
a gas filled ballon is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. elastic P.E to K.E
Explanation
elastic P.E to K.E is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. K.E changes but momentum remain conserve
Explanation
K.E changes but momentum remain conserve is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. electrons
Explanation
electrons is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. 45
Explanation
45 is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. fopen = 2 fclosed
Explanation
fopen = 2 fclosed is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.