Which of the following sets cannot enter into the list of fundamental quantities in any system of units?
Correct answer: B. Length, time, velocity
- A. Length, mass, temperature
- B. Length, time, velocity
- C. Length, time, mass
- D. Mass, time, electric current
Explanation
Length, time and velocity cannot enter into the list of fundamental quantities because velocity can be expressed in terms of length and time.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
About Measurements
Physical quantities are expressed with SI base and derived units, while measurement limits are described through accuracy, precision, absolute and percentage error, and significant figures. Dimensional analysis checks equations, derives relationships and detects inconsistent units, but it cannot determine numerical constants or distinguish quantities with identical dimensions.
Practise Measurements
262 free Measurements MCQs from Physics, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Physics questions like this
Physics is on 11 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Measurements questions
The dimensional formula of kinetic energy is the same as that of:
Kilowatt hour is the unit of:
The dimensions of σb4 (σ =Stefan's constant and b = Wein's constant) are:
Which of the following is not a unit of time:
A cube has a side of 1.2 x 10^-2m. Its volume will be recorded as:
An athlete's coach told him that muscle times speed equals power. What dimensions does he get for "muscle"?