Question

1) The property by which light in the

straight line is termed as _____

2) Light travels with a speed of _____

km/s in air.

3) The splitting of white light into its

seven constituent colours is called

____

4) _____ is the study of spectrum

formed when a surface emits light.

5) _____ was the first person who

discovered that sunlight is made up

of seven colours.

write answers for all questions​

Answer 1

Answer:

see this image

Explanation:

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