AIEEE Exam

The distance between object and its erect but
diminished image formed due to a spherical
mirror is 3 times the distance between image and
the focus while distance between object and focus
is 2u. If the image is half in size of the object, find
the distance of the object from the mirror

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AIEEE Other Question

In Young's double-slit experiment, the intensity
of light in front of one of the slits on a screen is
I0/2 where I0 is the maximum intensity. The
distance between the slits is 5λ where λ is the
wavelength of monochromatic light. How far
away is the screen from the slit ?
(A) 20 λ (B) 25 λ (C) 40 λ (D) 50 λ
A cavity of the shape of equiconvex lens is cut in
a slab of refractive index µ. It is filled with
different liquids of refractive indices µ1 and µ2 so
that if once it behave as convergent lens with
liquid of refractive index µ1, it behaves as
divergent lens with another liquid of same focal
length. Find µ2