Math, asked by priyankarenal815, 1 year ago

In newton's ring experiment the diameter of 4th and 12th dark rings are 0.400cm and 0.700 cm respectively.deduce the diameter of 20th dark ring.

Answers

Answered by santy2
41

The distance between consecutive rings is :

0.7 - 0.4 = 0.3 cm.

The number of gaps between the 4th and the 12th ring is :

12 - 4 = 8 gaps

0.3/8 = 0.0375

Each gap is 0.0375 cm

The gaps between the 12th and the 20th is :

20 - 12 = 8 gaps

8 × 0.0375 = 0.3

0.3 + 0.7 = 1

The answer :

1 cm

Answered by unknown3839
20

Step-by-step explanation:

please do refer to the attachment above

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