16/32
The operator does not depends upon time explicitly.
[H, A] = 0
Both (A) and (B)
None of these

Eigen values of hermition operator are?
Question grade : 1

17/32
Real
Complex
Can be both
None of these

For non hermition operators,?
Question grade : 1

18/32
Eigen values are always complex
Eigen function can not normalized to unity
Eigen functions are not orthogonal
All of these

When magnitude of dot product and cross product are y and x respectively, then the angle between these two vectors is:?
Question grade : 1

19/32
arcsin (x/y)
arctan (x/y)
arctan (y/x)
None of these

A vector can be split into …………. Rectangular components in a plane?
Question grade : 1

20/32
One
Two
Three
Infinite

If counter-clockwise is taken as a positive then the anti-clockwise will taken as:?
Question grade : 1

21/32
Positive
Negative

The reverse process of subtraction of vectors is called?
Question grade : 1

22/32
Vector addition
Resolution of vectors
Negative of a vector
None of these

The direction of Null vector is?
Question grade : 1

23/32
always taken along x-axis
always taken along y-axis
always taken along z-axis
None of these

A force of 4N acts along y axis its horizontal component will be:No?
Question grade : 1

24/32
2N
4N
2.9N
None of these

When two forces of equal magnitude make an angle of 180° with each other, the magnitude of their resultant is:?
Question grade : 1

25/32
√2 F
2F
F^2
None of these

The minimum number of unequal vectors whose vector sum can be equal to zero, are:?
Question grade : 1

26/32
2
3
4
None of these

The minimum number of equal vectors whose vector sum can be equal to zero, are:?
Question grade : 1

27/32
2
3
4
None of these

Resultant of two forces 4 N and 3N inclined at an angle of 180,?
Question grade : 1

28/32
1N
2N
5N
None of these

A body in equilibrium:?
Question grade : 1

29/32
always at rest
always in uniform motion
may be at rest or in uniform motion
None of these

The cross product of two vectors is a negative vector when vectors are?
Question grade : 1

30/32
Parallel
Perpendicular
Antiparallel
None of these

An ant on a picnic table travels 30 cm eastward, then 4 cm northward, and finally 27 cm westward. What is the magnitude of the ant’s displacement relative to its original position??
Question grade : 1

31/32
5 cm
53 cm
7 cm
None of these

When a body is in stable equilibrium?
Question grade : 1

32/32
center of gravity is at the lowest position
center of gravity is at the highest position
center of gravity can be anywhere

Square of the magnitude of (Psi) wave function is known as: Probability density Missed
In Hilbert space, those vectors which are normalized to unity are known as: Proper Vectors Missed
If wavefunction is ‘Asin(2pix)’, normalization constant ‘A’ is: sqrt(2) Missed
Hermitian conjugate of momentum operator (P) is: P Missed
|A>__ of operators, Non-commutivity Missed The trace of Pauli matrices is: Zero Missed For an e. function “exp (9ix)” , the momentum eigen value will be: 9ℏ Missed m (d < x >/ dt) =

is the consequence of: Ehrenfest Theorem Missed
Eigen value of an identity operator is: 1 Missed
Components of angular momentum: does not commute Missed
An operator can be constant of motion only if Both (A) and (B) Missed
Eigen values of hermition operator are Real Missed
For non hermition operators, Eigen functions are not orthogonal Missed
When magnitude of dot product and cross product are y and x respectively, then the angle between these two vectors is: arctan (x/y) Missed
A vector can be split into …………. Rectangular components in a plane Two Missed
If counter-clockwise is taken as a positive then the anti-clockwise will taken as: Positive Missed
The reverse process of subtraction of vectors is called Resolution of vectors Missed
The direction of Null vector is None of these Missed
A force of 4N acts along y axis its horizontal component will be:No None of these Missed
When two forces of equal magnitude make an angle of 180° with each other, the magnitude of their resultant is: None of these Missed
The minimum number of unequal vectors whose vector sum can be equal to zero, are: 3 Missed
The minimum number of equal vectors whose vector sum can be equal to zero, are: 2 Missed
Resultant of two forces 4 N and 3N inclined at an angle of 180, 1N Missed
A body in equilibrium: may be at rest or in uniform motion Missed
The cross product of two vectors is a negative vector when vectors are None of these Missed
An ant on a picnic table travels 30 cm eastward, then 4 cm northward, and finally 27 cm westward. What is the magnitude of the ant’s displacement relative to its original position? 5 cm Missed
When a body is in stable equilibrium center of gravity is at the lowest position Missed