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. Prism
Explanation
In optics, a prism is a transparent optical element with flat, polished surfaces that refract light. In a rainbow, raindrops in the air act as tiny prisms. Light enters the raindrop, reflects off of the side of the drop and exits. In the process, it is broken into a spectrum just like it is in a triangular glass prism.
Correct answer
C. Zig-zag or erratic
Explanation
Zig-zag or erratic is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. All of the above
Explanation
All of the above is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. Polymerization
Explanation
Polymerization is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. Unity
Explanation
Unity is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. 10-8s
Explanation
10-8s is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. 24 hours
Explanation
24 hours is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. Indivisible
Explanation
Indivisible is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. 2.0 mA
Explanation
2.0 mA is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. 1
Explanation
1 is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.