MHT CET 2026 15th April Evening Shift | Wave Optics Question 30 | Physics

A double slit experiment is immersed in water of refractive index $1.33$. The slit separation is 1 mm, distance between slit and screen is $1.33$ m. The slits are illuminated by light of wavelength 6300 $\text{\AA}$. The fringe width is

$4.9 \times 10^{-4}$ m

$6.3 \times 10^{-4}$ m

$8.6 \times 10^{-4}$ m

$5.8 \times 10^{-4}$ m

MHT CET 2026 15th April Evening Shift

MCQ (Single Correct Answer)

-0

Light of wavelength $\lambda$ is incident on a single slit of width 'a' and the distance between slit and screen is 'D'. In diffraction pattern, if slit width is equal to the width of the central maximum then 'D' is equal to

$\dfrac{a}{\lambda}$

$\dfrac{a^2}{\lambda}$

$\dfrac{a}{2\lambda}$

$\dfrac{a^2}{2\lambda}$

MHT CET 2026 15th April Morning Shift

MCQ (Single Correct Answer)

-0

When the distance of separation between the slit and screen is doubled, the angular separation between fringes in single slit diffraction pattern experiment

increases

decreases

remains same

first increases and then decreases

MHT CET 2026 15th April Morning Shift

MCQ (Single Correct Answer)

-0

Light of wavelength $\lambda$ is incident on a single slit of width 'a' and the distance between slit and screen is D. In diffraction pattern, if slit width is equal to the width of the central maximum then D is equal to

$\dfrac{a^2}{2\lambda}$

$\dfrac{a}{2\lambda}$

$\dfrac{a^2}{\lambda}$

$\dfrac{a}{\lambda}$

PREVIOUS NEXT

MHT CET Subjects

Browse all chapters by subject

Chemistry

Physical Chemistry

Some Basic Concepts of Chemistry Atomic Structure States of Matter Thermodynamics Chemical Equilibrium Ionic Equilibrium Liquid Solution Redox Reactions Surface Chemistry Solid State Electrochemistry Chemical Kinetics Nuclear Chemistry

Inorganic Chemistry

Periodic Table and Periodicity Chemical Bonding and Molecular Structure Metallurgy Hydrogen and It's Compounds s-Block Elements p-Block Elements d and f Block Elements Coordination Compounds Environmental Chemistry

Organic Chemistry

IUPAC Nomenclatures General Organic Chemistry Isomerism Hydrocarbons Haloalkanes and Haloarenes Alcohol, Phenols and Ethers Aldehyde and Ketone Carboxylic Acids and Its Derivatives Compounds Containing Nitrogen Polymers Biomolecules Chemistry in Everyday Life Practical Organic Chemistry