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. 0°
Explanation
0° is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. Variable acceleration
Explanation
Variable acceleration is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. Non-inertial frame
Explanation
Non-inertial frame is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. Magnetic induction
Explanation
Magnetic induction is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. 0
Explanation
0 is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. 22N
Explanation
Mass ,m=0.2kg Total height, h=0.2+2=2.2m Work done =Difference in potential energy. F.S=mgh where S is the distance for e hich the force is applied by hand, S=0.2m F= S mgh = 0.2 0.2×10×2.2 F=22N
Correct answer
A. 2π radian
Explanation
2π radian is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. heat energy into electrical energy
Explanation
heat energy into electrical energy is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. Only A and B are correct
Explanation
Only A and B are correct is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. They are rotated through 270°
Explanation
They are rotated through 270° is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.