Units of Measurement, System of Units and SI Units NEET Questions

Physics - Physics and Measurement
Units of Measurement, System of Units and SI Units

Units of Measurement, System of Units and SI Units MCQ Questions


7.

1 Angstrom (Å) is equal to:

A.

10-8 m

B.

10-9 m

C.

10-10 m

D.

10-12 m

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ANSWER :

C. 10-10 m

8.
Which of the following systems uses foot, pound, and second as base units?
A.
CGS
B.
MKS
C.
FPS
D.
SI
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ANSWER :
C. FPS
9.
The SI unit of thermodynamic temperature is:
A.
Celsius
B.
Fahrenheit
C.
Kelvin
D.
Rankine
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ANSWER :
C. Kelvin
10.
1 mole contains exactly how many elementary entities?
A.
6.022 × 10²²
B.
6.022 × 10²³
C.
6.022 × 10²⁴
D.
3.011 × 10²³
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ANSWER :
B. 6.022 × 10²³
11.
The number of significant figures in 0.006032 m² is:
A.
2
B.
3
C.
4
D.
7
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ANSWER :
C. 4
12.
The number of significant figures in 2.64 × 10²⁴ kg is:
A.
3
B.
2
C.
26
D.
4
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ANSWER :
A. 3
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