Question

Q-1) Fill in the blanks with suitable words.
a) A concave lens
parallel rays of light whereas a convex lens
parallel
rays of light
b) When a beam of white light is passed through a glass prism, it splits to form
lights of
colours.
c) Image formed by
mirror is always virtual and smaller in size.
d) When a disc painted with the seven colours of a rainbow is rotated rapidly, it
appears to be
e) The image in a concave lens is always than the object.​

Answer 1

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