Question

i.
As per recent understanding light consists
of
(A) rays
(B) waves
(C) corpuscles
(D) photons obeying the rules of waves
Consider the optically denser lenses P,
Q, R and S drawn below. According to
Cartesian sign convention which of these
have positive focal length?
vi,
ii.
(A) Chromatic al
(B) Coma
(C) Distortion
(D) Spherical or
There are diffe
water of the ha
Proxima b. A fi
feels that there i
top of a tree. TI
the fish is 1.6 n
Interestingly,
depth at which
exactly same
water must be
(A) 6/5
(C) 4/3
(
).
C
P
(A) Only P
(B) Only P and Q
(C) Only P and R​

Answer 1

Answer:

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Answer 2

Answer:

1. a Rays .........

2. d. spherical or