• 072920 77839
  • info@smartachievers.in
Menu
Back
  • JEE ADVANCE
  • JEE MAIN
  • NEET
  • BITSAT
  • CBSE BOARD
  • UP BOARD
  • CUET
  • Other Competitive Exams
JEE ADVANCE
  • CLASS XI - XII
  • CRASH COURSE
JEE MAIN
  • CLASS XI - XII
  • CRASH COURSE
CRASH COURSE
NEET
  • CLASS XI - XII
  • CRASH COURSE
BITSAT
  • CLASS XI - XII
CBSE BOARD
  • CLASS IX
  • CLASS X
  • CLASS XI
  • CLASS XII
  • CLASS VI
  • CLASS VII
  • CLASS VIII
UP BOARD
  • CLASS IX
  • CLASS X
  • CLASS XI
  • CLASS XII
CUET
  • CRASH COURSE
Other Competitive Exams
  • NDA
Courses


Solution


Q.

A hypothetical electromagnetic wave is shown below. 

The frequency of the wave is x×1019Hz.x=________ (nearest integer)           [2024]

Ans.

(5)

Wavelength(λ)=4×1.5 pm=6×10-12 pm

Frequency(ν)=cλ=3×108 m/s6×10-12 m=5×1019 s-1