1 ) In compound microscope , objective lens has . . . . . . . . . . . . . . . focal length than eyepiece lens . A ) smaller , B ) greater , C ) equal , D ) None of these ,

1 ) In compound microscope , objective lens has . . . . . . . . . . . . . . . focal length than eyepiece lens . 

A ) smaller ,                                             B ) greater ,

C ) equal ,                                                D ) None of these ,

Correct Answer : -  A ) smaller ,

 

2 )  Compound microscope and astronomical telescope both contains  . . . . . . . . . . . . . . . . . converging lens .

A ) 2 ,                                               B ) 3 ,

C ) 4 ,                                              D ) None of these ,

Correct Answer : -  A ) 2 ,

Compound microscope and astronomical telescope both contains  2 converging lens : -  1 ) objective lens and   2 ) eyepiece lens .

 

3 ) In astronomical microscope , objective lens has . . . . . . . . . . . . . . . focal length than eyepiece lens . 

A ) smaller ,                                             B ) greater ,

C ) equal ,                                                D ) None of these ,

Correct Answer : -  B ) greater ,

 

4 )  Compound microscope and astronomical telescope always makes image . . . . . . . . . . . . . . . . . : -

A ) virtual ,                                               B ) inverted ,

C ) both ,                                         D ) None of these ,

Correct Answer : -  C ) both ,

Compound microscope and astronomical telescope always makes image virtual and inverted .

 

5 )  “ The separation of the lenses is equal to the sum of their focal length “  , is for which ?

A ) compound microscope ,                            B ) astronomical telescope ,

C ) both ,                                         D ) None of these ,

Correct Answer : -  B ) astronomical telescope ,

The separation of the lenses is equal to the sum of their focal length : - 

d = f1 + f2 .

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

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