AFNS — AFNS Physics
Measurements
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#17 Prefix mega means:
A) 10^6
B) 10^3
C) 10^-3
D) 10^9
Answer: A
#18 Prefix kilo means:
A) 10^3
B) 10^6
C) 10^-6
D) 10^9
Answer: A
#19 Prefix milli means:
A) 10^-3
B) 10^3
C) 10^-6
D) 10^6
Answer: A
#20 Significant figures in 2.50 are:
A) 3
B) 2
C) 4
D) 1
Answer: A
#21 Dimensional formula of force is:
A) MLT^-2
B) ML^2T^-2
C) ML^-1T^-2
D) M^0L^0T^0
Answer: A
#22 Vector has:
A) Magnitude and direction
B) Magnitude only
C) Direction only
D) Neither
Answer: A
#23 Scalar has:
A) Magnitude only
B) Direction required
C) Always negative
D) Always zero
Answer: A
#24 Error in measurement can be:
A) Random or systematic
B) Never exists
C) Only zero
D) Only infinite
Answer: A
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