Physics Trivia: MCQ Exam! Quiz
20 Questions
| Total Attempts: 91
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Questions and Answers
- 1.Which of the following is more accurate?
- A.
30.0
- B.
40.0
- C.
33.0
- D.
10.0
- 2.The number of significant figures in 333 is?
- A.
Infinite
- B.
3
- C.
2
- D.
0
- 3.The result of an instrument is 466, what is its least count?
- A.
100
- B.
1
- C.
10
- D.
0
- 4.Which one is the right formula?
- A.
V=sqrrt(gs)
- B.
V=g/s
- C.
S=v/g
- D.
Option 4
- 5.If s=6.666cm and r=6.6 then the angle will be:
- A.
1 rad
- B.
1.0 rad
- C.
1.00 rad
- D.
1.000 rad
- 6.The angle made by the minute hand of a watch in 30 minutes is?
- A.
Pi radian
- B.
60
- C.
45
- D.
90
- 7.A sphere has a radius of 10 cm, the angle subtended by 300 sq-cm of its area at the center is:
- A.
3 steradians
- B.
3 radians
- C.
3pi steradians
- D.
3pi radians
- 8.100 Amstrong in microns is equal to:
- A.
10
- B.
0.1
- C.
0.01
- D.
0.01
- 9.A body cover distance equal to three times radius of the earth along a circular track, the angle subtended at the center of the circle is
- A.
104
- B.
156
- C.
172
- D.
244
- 10.Circumference of a circle is 50m. the angle subtended by an arc of 2m will be:
- A.
Pi/2 radian
- B.
Pi/25 rad
- C.
2pi/25 radian
- D.
Pi/50 rad
- 11.The surface area of 16 sq.meter of sphere portion make one ste radian, the diameter of the sphere will be?
- A.
4 sq cm
- B.
8 sq cm
- C.
2 sq cm
- D.
64 sq cm
- 12.The surface area of 10 sq cm of closed surface area 100 sq cm will subtend an angle at the center?
- A.
2pi/5 steradian
- B.
4pi/5 steradian
- C.
Pi/5 steradian
- D.
4pi steradian
- 13.A single surface of regular cube make an angle iwth center.
- A.
2pi/3 steradian
- B.
Pi/3 steradian
- C.
4pi/3 steradian
- D.
None of these
- 14.What is the dimension of P in equation y=X sin(PQ) if the dimension of q is L/T?
- A.
Dimensionless
- B.
T/L
- C.
LT
- D.
L/T
- 15.The percentage uncertainty in the volume of a sphere is 30%, then uncertainty in its area will be?
- A.
10%
- B.
20%
- C.
30%
- D.
60%
- 16.If R=2+2% then absolute uncertainty will be:
- A.
0.02
- B.
0.01
- C.
0.04
- D.
1
- 17.The radius of a sphere is 5.0 cm the relative uncertainty in its volume is?
- A.
2%
- B.
3%
- C.
6%
- D.
8%
- 18.The result of 3.12 x 56.14 x 3.001
- A.
Infinite
- B.
2
- C.
3
- D.
0
- 19.The number of a significant figure in 444 are?
- A.
3
- B.
1
- C.
0
- D.
Infinite
- 20.1.2 g/cm3 = ___________________ kg/m3
- A.
1200
- B.
12000
- C.
120
- D.
12
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