1 ) A pendulum bob in SHM will have its velocity leading the displacement by the phase angle of . . . . . . . . . . . . . . : - A ) π / 4 , B ) π / 2 , C ) π , D ) None of these ,

1 ) A pendulum bob in SHM will have its velocity leading the displacement by the phase angle of . . . . . . . . . . . . . . : -

A ) π / 4 ,                                         B ) π / 2 ,

C )  π  ,                                            D ) None of these ,

Correct Answer : -  B ) π / 2 ,

 

2 )

The following graph shows : -

A ) constant velocity and zero acceleration ,

B ) uniform velocity and constant acceleration ,

C ) uniform velocity and zero acceleration ,

D ) constant velocity and constant  acceleration,

Correct Answer : -  A ) constant velocity and zero acceleration ,

 

3 ) In-elastic collision of two balls , kinetic energy and momentum will . . . . . . . . . . . . ?

A ) K.E increase and momentum remains conserved ,

B ) K.E decreases and momentum remains conserved ,

C ) K.E remains conserved and momentum increases ,

D ) None of these ,

Correct Answer : -     B ) K.E decreases and momentum remains conserved ,

 

4 ) Formula for Fringe spacing / width is . . . . . . . . . . . . : -

Y  =  ( L λ )  / d  .

 

5 )  P1 V1  =   P2 V2  ,  this equation shows . . . . . . . . . . . . . . : -

A ) isothermal ,                                                B ) adiabatic ,

C ) isochoric ,                                          D ) None of these ,

Correct Answer : -  A ) isothermal ,

 

6 ) In β – emission ,  . . . . . . . . . . is released ?

A ) heat ,                                          B ) anti neutron ,

C ) both ,                                         D ) None of these ,

Correct Answer : -  C ) both ,

In  α - emission , only heat is released .

But  in β – emission ,  both heat and anti neutron  is released .

 

Now go to online quiz section and Physics Quiz 11 is uploaded related to these mcqs  , so check your preparation by this link : -

UG Online quizzes