General Science MCQs

Optics ? Thin Films Questions with solutions MCQs

1. Transparent film with n=1.3 on glass n=1.5. Thickness = multiples of ?/4 for non-reflection. Wavelength=5400 ?. Find least thickness.

A

135 nm

B

155 nm

C

195 nm

D

200 nm

Optics ? Thin Films J.E Civil (SD) 2025
Correct Answer : A
Explanation :

t=?/4n=540 nm/4(1.3)=135 nm.

Correct Answered :

Wrong Answered :

CONTACT US

  • J & K

  • admin@prepmart.in

    • QUICK LINKS

    LIKE AND SHARE YOUR EXPERIENCE

    Like Us on Facebook Join Us on Telegram
    VISITORS COUNT 1 1 3 1 7 3 9
    PrepMart 2022. All Rights Reserved | Terms & Conditions | Privacy Policy | Refund & Cancellation Policy
    Developed By : PrepMart