Which of the following has the longest wavelength?

Important Questions on Wave Optics and Interference

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 14 - Wave Optics and Interference>Multiple Choice Questions>Q 8

Which of the following e.m. waves are used in telecommunications?

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 14 - Wave Optics and Interference>Multiple Choice Questions>Q 9

The speed of electromagnetic wave in vacuum is

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 14 - Wave Optics and Interference>Multiple Choice Questions>Q 10

Which of the following waves has the least frequency?

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 14 - Wave Optics and Interference>Multiple Choice Questions>Q 11

What is the dimension of ${}_0{}^N\epsilon _0$?

HARD

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 14 - Wave Optics and Interference>MODEL QUESTIONS>Q 1

Two slits separated by a distance of $1 \mathrm{mm}$ are illuminated with red light of wavelength $6.5\times {10}^{-7} \mathrm{m}$. The interference fringes are observed on a screen placed $1 \mathrm{m}$ from the slits. The distance between the third dark fringe and the fifth bright fringe is equal to

MEDIUM

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 14 - Wave Optics and Interference>MODEL QUESTIONS>Q 2

A monochromatic visible light consists of

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 14 - Wave Optics and Interference>MODEL QUESTIONS>Q 3

Speed of light in vacuum is

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 14 - Wave Optics and Interference>MODEL QUESTIONS>Q 4

Light energy has