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Correct answer
C. Right-hand rule
Explanation
Right-hand rule is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. its position vector
Explanation
its position vector is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. 1 Kg
Explanation
Since 1879, the kilogram has been defined as the weight of “Le Grand K”, a cylinder of platinum and iridium weighing a little over 2 pounds and kept in a locked vault in Paris. For more than a century, the kilogram (kg) — the fundamental unit of mass in the International System of Units (SI) — was defined as exactly equal to the mass of a small polished cylinder, cast in 1879 of platinum and iridium.
Correct answer
A. X-rays
Explanation
X-rays is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. Both 1st and 3rd
Explanation
Both 1st and 3rd is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. The couple acts on the wheel
Explanation
The couple acts on the wheel is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. 2 S
Explanation
2 S is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. Electron diffraction
Explanation
Electron diffraction is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. Losses most of its energy
Explanation
Losses most of its energy is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. Strain
Explanation
Strain is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.