Multiple choice

Consider the following statements: (1) The visible spectrum runs from about 500 nm to about 700 nm. (2) Narinder Singh Kapany is known as the 'father of laser optics'.

Which of the given statements is/are correct?

  1. Only 1

  2. Only 2

  3. Both 1 and 2

  4. Neither 1 nor 2

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

(I) Solution 1 is incorrect. The visible spectrum runs from about 400 nm to about 700 nm. (II) Solution 2 is also incorrect. Narinder Singh Kapany is known as the 'father of fibre optics'.