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Which of the following is not correct? (a) The SI unit of electric current is ampere. (b) Every object moves with a constant speed. (c) Distances between two cities are measured in kilometres. (d) The SI unit of time is second.?
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Which of the following is not correct? (a) The SI unit of electric cur...
Incorrect Statement: Every object moves with a constant speed.
Explanation:
The statement "Every object moves with a constant speed" is not correct. This is because the speed of an object can change due to various factors such as acceleration, deceleration, and changes in direction.
SI Units:
(a) The SI unit of electric current is ampere.
The SI unit of electric current is ampere. It is defined as the constant current that, when flowing through two parallel conductors of infinite length and negligible cross-sectional area placed one meter apart in a vacuum, produces a force of 2x10^-7 newtons per meter of length.
(b) The SI unit of time is second.
The SI unit of time is second. It is defined as the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium-133 atom.
(c) Distances between two cities are measured in kilometres.
Distances between two cities are commonly measured in kilometres. However, other units such as miles, feet, and meters are also used depending on the country and region.
Conclusion:
In conclusion, the statement "Every object moves with a constant speed" is not correct. The SI unit of electric current is ampere, the SI unit of time is second, and distances between two cities are commonly measured in kilometres.
Explanation:
The statement "Every object moves with a constant speed" is not correct. This is because the speed of an object can change due to various factors such as acceleration, deceleration, and changes in direction.
SI Units:
(a) The SI unit of electric current is ampere.
The SI unit of electric current is ampere. It is defined as the constant current that, when flowing through two parallel conductors of infinite length and negligible cross-sectional area placed one meter apart in a vacuum, produces a force of 2x10^-7 newtons per meter of length.
(b) The SI unit of time is second.
The SI unit of time is second. It is defined as the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium-133 atom.
(c) Distances between two cities are measured in kilometres.
Distances between two cities are commonly measured in kilometres. However, other units such as miles, feet, and meters are also used depending on the country and region.
Conclusion:
In conclusion, the statement "Every object moves with a constant speed" is not correct. The SI unit of electric current is ampere, the SI unit of time is second, and distances between two cities are commonly measured in kilometres.
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Which of the following is not correct? (a) The SI unit of electric current is ampere. (b) Every object moves with a constant speed. (c) Distances between two cities are measured in kilometres. (d) The SI unit of time is second.?
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Which of the following is not correct? (a) The SI unit of electric current is ampere. (b) Every object moves with a constant speed. (c) Distances between two cities are measured in kilometres. (d) The SI unit of time is second.? for Class 6 2024 is part of Class 6 preparation. The Question and answers have been prepared according to the Class 6 exam syllabus. Information about Which of the following is not correct? (a) The SI unit of electric current is ampere. (b) Every object moves with a constant speed. (c) Distances between two cities are measured in kilometres. (d) The SI unit of time is second.? covers all topics & solutions for Class 6 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following is not correct? (a) The SI unit of electric current is ampere. (b) Every object moves with a constant speed. (c) Distances between two cities are measured in kilometres. (d) The SI unit of time is second.?.
Which of the following is not correct? (a) The SI unit of electric current is ampere. (b) Every object moves with a constant speed. (c) Distances between two cities are measured in kilometres. (d) The SI unit of time is second.? for Class 6 2024 is part of Class 6 preparation. The Question and answers have been prepared according to the Class 6 exam syllabus. Information about Which of the following is not correct? (a) The SI unit of electric current is ampere. (b) Every object moves with a constant speed. (c) Distances between two cities are measured in kilometres. (d) The SI unit of time is second.? covers all topics & solutions for Class 6 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following is not correct? (a) The SI unit of electric current is ampere. (b) Every object moves with a constant speed. (c) Distances between two cities are measured in kilometres. (d) The SI unit of time is second.?.
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