Physics Class 11 - Chapter 10
Optical Instruments
Test - 2


Physics Class 11
1.    The minimum between an object and its real image in a convex lens is?




Physics Class 11
2.    Unit of power of lens is?




Physics Class 11
3.    The diameter of lens is called?




Physics Class 11
4.    In going from a denser to rare medium a ray of light is?




Physics Class 11
5.    Angle made by object at observer eyes?




Physics Class 11
6.    For minor detail of an object by instrument measuring is known?




Physics Class 11
7.    The power of a concave lenses is?




Physics Class 11
8.    A point where the incident parallel rays of light converge or appear to diverging after passing through a lens is?




Physics Class 11
9.    Diopter power of an concave lens of 10cm focal length is?




Physics Class 11
10.    A lens which converges a beam of parallel ray to a point is called?


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