Q NO 1: Time taken by light to from sun to Earth?
8 min
7 min 20 sec
8 min and 20 sec
7 min and 20 sec
Q NO 2:The maximum possible uncertainty in the radius of sphere is 0.4%. There %age uncertainty in the volume of sphere will be?
3%
1.2%
2.2%
3.4%
Q NO 3: The dimension of velocity gradient are same as that of?
Velocity
Time period
Angular acceleration
Angular velocity
Q NO 4:The SI unit of pressure is?
Torr
atm
None of these
mm of Hg
Q NO 5:Which of the following have no units?
Efficiency
Refractive index
Strain
All of these
Q NO 6: E,M,L and G denotes energy, mass , angular momentum and gravitational Constant the dimension of EL^2/M^5 G^2?
Time
Mass
Length
Angle
Q NO 7:solid angle subtended by sphere’s surface multiplied by square of its radius would be equal to?
density of sphere
volume of sphere
mass of sphere
none of these
Q NO 8:The least count of a stop watch is 0.2s the time of 20 oscillations of a pendulum is measured to be 25s. the percentage error in the measurement of time will be?
8%
0.8%
1.8%
1.2%
none of these
Q NO 9:In FPS system slug is the unit of?
length
time
mass
none of these
Q NO 10:the angle subtended at the centre of circle by an arc of πr?
π/2 rad
2π radian
3/2π
none of these
Q no 11: In Hilbert space the vectors which are normalized to unity are called?
proper vectors
improper vectors
orthogonal vectors
none of these
Q no 12 : Hermition conjugate of momentum operator is?
iP
P
-P
none of these
Q no 13: the result of inner product of a ket and bra is?
vector
scalar
operator
none of these
q no 14: An operator whose deggar is equal to inverse of same operator?
projection operator
Hermitian operator
unitary operator
none of these
q no 15: momentum and position operators?
commutes
don’t commutes
ant commute
none of these
q no 16 : the trace of Pauli matrices is?
1
-1
none of these
q no 17: sqaure of spin Pauli matrices is?
null matrix
identity matrix
unitary matrix
none of these
Q no 18: time evolution of operator deals with?
postulate of SWE
Heisenberg uncertainty principle
equation of continuity
none of these
q no 19: Components of angular momentum?
commutes
does not commute
share a common set of eigen function
none of these
Q no 20: knocker delta function equals to zero when?
m=n
m>n
both
none of these
q no 21: All India Muslim League founded?
1905
1923
1930
none
Q no 22 Bank Holiday?
(1st of July)
1st of sep
none of these
Q no 23 : General Yahya Khan takes over the leadership of Pakistan and imposes martial law?
1969
1971
1965
q no 24: Gen. Pervez Musharraf takes over the government of Pakistan?
1999
1995
2001
Q no 25: Pakistan elected to Security Council?
1992
1998
2005
