Question

How many wavelengths of Krog are there in one
metre? Orange red light of kp86
(a) 2348123.73 (b) 1553164.13
(c) 652189.63 (d) 1650763.73​

Answer 1

Explanation:

The answer is (d) 1 650 763.73

This question relates to a definition of the meter that was in effect from 1960 until 1986, and stated that one meter was equal to the total length of 1 650 763.73 wavelengths of the orange-red emission line in the electromagnetic spectrum of the krypton-86.

This question relates to a definition of the meter that was in effect from 1960 until 1986, and stated that one meter was equal to the total length of 1 650 763.73 wavelengths of the orange-red emission line in the electromagnetic spectrum of the krypton-86.(It has since been replaced by a definition based on the speed of light.)

Answer 2

Answer:

The Answer is Option D

1650763.73