Bichromatic light of wavelengths and is used in YDSE

PHYSICS · Multi correct · CBSE · Physics · Wave Optics · Wave Optics

Problem

Bichromatic light of wavelengths

\lambda_1=5000\ \text{\AA}

and

\lambda_2=7000\ \text{\AA}

is used in YDSE. Then, (1) The

14

th-order maximum of

\lambda_1

coincides with the

10

th-order maximum of

\lambda_2

. (2) The

21

st-order maximum of

\lambda_2

coincides with the

15

th-order maximum of

\lambda_1

. (3) The

11

th-order minimum of

\lambda_1

coincides with the

8

th-order minimum of

\lambda_2

. (4) The

3

rd-order minimum of

\lambda_1

coincides with the

4

th-order minimum of

\lambda_2