Email
Chat with tutors
logo

Ask Questions, Get Answers

X
 
Questions  >>  JEEMAIN and NEET  >>  Physics  >>  Class12  >>  Wave Optics
Answer
Comment
Share
Q)

A slit of width 'a' is illuminated by white light. For what value of 'a' will the first minimum for red light of wavelength $\lambda =650 \;nm$ appear for $\theta =30^{\circ}$?

$(a)\;6.5 \times 10^{-7}\;m \\ (b)\;1.3 \times 10^{-7}\;m \\ (c)\;6.5 \times 10^{-6}\;m \\ (d)\;1.3 \times 10^{-6}\;m $

1 Answer

Home Ask Tuition Questions
Your payment for is successful.
Continue
...