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Q1. What is the dimensional formula for force? (2022)
Solution:
Force has the dimensional formula [M^1 L^1 T^-2].
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Q2. Which of the following is a fundamental quantity? (2020)
Solution:
Mass is a fundamental quantity in the SI system.
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Q3. What is the standard unit of time in the SI system? (2020)
Solution:
The standard unit of time in the SI system is the second (s).
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Q4. Which of the following is the correct order of magnitude for the speed of light? (2023)
Solution:
The speed of light is approximately 3 x 10^8 m/s.
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Q5. Which of the following is the correct representation of 0.001 in scientific notation? (2023)
Solution:
0.001 can be represented as 1 x 10^-3 in scientific notation.
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Q6. What is the prefix for 10^6? (2022)
Solution:
The prefix for 10^6 is Mega (M).
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Q7. What is the approximate value of gravitational acceleration on Earth? (2022)
Solution:
The approximate value of gravitational acceleration on Earth is 9.8 m/s².
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