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(a) What is spectrum ? What is the name ...

(a) What is spectrum ? What is the name of glass shape used to produce a spectrum ?
(b) How many colours are there in a full spectrum of white light ? Write the various colours of spectrum in the order, starting with red.

A

6

B

7

C

8

D

None

Text Solution

Verified by Experts

The correct Answer is:
B
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