Banner 0
Banner 1
Banner 2
Banner 3
Banner 4
Banner 5
Banner 6
Banner 7
Banner 8
Banner 9

Q.

When a centimeter thick surface is illuminated with light of wavelength λ, stopping potential is V, when the same surface is illuminated by light of  wavelength  2λ, stopping potential is V /3. Threshold the same surface is illuminated by light of is

see full answer

Your Exam Success, Personally Taken Care Of

1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya

a

4λ/3

b

c

d

8λ/3

answer is B.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

JEE

NEET

NEET

Foundation JEE

Foundation JEE

Foundation NEET

Foundation NEET

CBSE

CBSE

Detailed Solution

eV=hc1λ−1λ0 eV3=hc12λ−1λ0 Dividing eq. (1) by eq. (2), we get 3=1λ−1λ012λ−1λ0  or  312λ−1λ0=1λ−1λ0 32λ−1λ=3λ0−1λ0  or  12λ=2λ0  or  λ0=4λ
Watch 3-min video & get full concept clarity
score_test_img

courses

No courses found

Get Expert Academic Guidance – Connect with a Counselor Today!

best study material, now at your finger tips!

  • promsvg

    live classes

  • promsvg

    progress tracking

  • promsvg

    24x7 mentored guidance

  • promsvg

    study plan analysis

download the app

gplay
mentor

Download the App

gplay
whats app icon
personalised 1:1 online tutoring