Question

1.
Select the correct options.
a) Luminous bodies
emit light energy.
i. absorb light energy.
iv.
are always a natural source.
are transparent.
b) A window glass is
i.
it both (i) and (ii).
ii. translucent.
transparent.
c) The property of light travelling in a straight line is known as
i. reflection
rectilinear propagation.
iv. beam.
iv. opaque.
jii. rays.
d) A pinhole camera uses the principle of
ii.
1. rays.
iii. reflection of light.
pencil beam.
rectilinear propagation of light.
ik​

Answer 1

Answer:

2.transparent

3.rays

and other answer I don't know

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