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
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#18

Prefix kilo means:

A) 10^3

B) 10^6

C) 10^-6

D) 10^9

Answer:   A
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#19

Prefix milli means:

A) 10^-3

B) 10^3

C) 10^-6

D) 10^6

Answer:   A
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#20

Significant figures in 2.50 are:

A) 3

B) 2

C) 4

D) 1

Answer:   A
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#21

Dimensional formula of force is:

A) MLT^-2

B) ML^2T^-2

C) ML^-1T^-2

D) M^0L^0T^0

Answer:   A
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#22

Vector has:

A) Magnitude and direction

B) Magnitude only

C) Direction only

D) Neither

Answer:   A
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#23

Scalar has:

A) Magnitude only

B) Direction required

C) Always negative

D) Always zero

Answer:   A
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#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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