# APIIIT, NUZVID

20 Questions

ANSWER THE FOLLOWING QUESTIONS WITH SUITABLE OPTION:

• 1.
In the SI system the fundamental quantities are
• A.

3

• B.

5

• C.

7

• D.

6

• 2.
Candela is the SI unit for
• A.

Speed of light

• B.

Amount of substance

• C.

Luminous intensity

• D.

Thermodynamic temperature

• 3.
Ampere is the SI unit for
• A.

Electric charge

• B.

Electric capacitance

• C.

Electric current

• D.

Electric flux

• 4.
Which of the following is the SI unit for time
• A.

Light year

• B.

Hour

• C.

Minute

• D.

Second

• 5.
" bar " is the unit for
• A.

Force

• B.

Density

• C.

Pressure

• D.

Length

• 6.
Light year is the unit for
• A.

Time

• B.

Light intensity

• C.

Distance

• D.

Temperature

• 7.
The value of 1.84 cubic inches in cubic centimeters
• A.

184

• B.

302

• C.

30.2

• D.

18400

• 8.
A body moves with a speed of 36 km/hour. Then its speed in m/s
• A.

100

• B.

129.6

• C.

10

• D.

1000

• 9.
The mass of a solid cube is 856 g and each edge has a length of 5.35 cm. The its density in SI system is
• A.

• 10.
Parsec is the unit for
• A.

Speed

• B.

Time

• C.

Distance

• D.

Intensity of light

• 11.
A vehicle moving with a speed of 18 kmph covers.........m in 1 s
• A.

1800

• B.

18

• C.

50

• D.

5

• 12.
The number of significant figurs in 6.320 J is
• A.

3

• B.

4

• C.

2

• D.

1

• 13.
The length and breadth  of a rectangular sheet of metal are 4.234 m, 1.005 m, The area of the sheet to correct significant figures
• A.

• 14.
After rounding off the number 4621 to 2 significant digits the value becomes
• A.

4620

• B.

4700

• C.

4600

• D.

4720

• 15.
The area of a rectangle of size 1.23 cm X 2.345 cm in significant figures is
• A.

2.88435 cm2

• B.

2.884 cm2

• C.

2.9 cm2

• D.

2.88 cm2

• 16.
What is the percentage error in the measurement of time period of a pendulum if the maximum errors in the measurements of length(l) and g are 2% and 4% respectively
• A.

6%

• B.

4%

• C.

3%

• D.

5%

• 17.
Which of the folllowing pairs have the same dimensions
• A.

Light year and speed of light

• B.

• C.

Momentum and force

• D.

Torque and work

• 18.
Which of the following numbers have 4 significant figures
• A.

0.009

• B.

1800

• C.

126.00

• D.

201.0

• 19.
The number of significant figures in 0.80010 is
• A.

2

• B.

6

• C.

4

• D.

5

• 20.
Which of the following numbers shows 1 significant figure
• A.

0.100

• B.

0.0009

• C.

4.00

• D.

2.31

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