Question

Give
an
example
for
each
of
the
following
cases:



(a)
Physical
changes
which
are
reversible.



(b)
Physical
changes
which
are
not
reversible.



(c)
Chemical
changes​

Answer 1

Answer:

The retina is the part of the eye on which images are formed. ... Name two types of cells in the retina of an eye which respond to light. ... Suggest how your irises help to protect the retinas of your eyes from damage by bright light. ... In order to find the power of the concave lens required, we have to first calculate its focal

Explanation:

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