MCQ
In Young’s double slit experiment, the distance between the two slits is made half, then the fringe width will become
- AHalf
- ✓Double
- COne fourth
- DUnchanged
✓
Answer
Correct option: B.
Double
Double
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
An electron moving towards the east enters a magnetic field directed towards the north. The force on the electron will be directed
Choose the correct option about light.
In the diagram shown, all the velocities are given with respect to earth. What is the relative velocity of the image in mirror $(1)$ with respect to the image in the mirror $(2)?$ The mirror $(1)$ forms an angle $\beta$ with the vertical.
→In a given circuit diagram, a $5 \,{V}$ zener diode along with a series resistance is connected across a $50 \,V$ power supply. The minimum value of the resistance required, if the maximum zener current is $90\, {mA}$ will be $.....\,\Omega .$
→Appliances based on heating effect of current work on:
The voltage across the $10\, \Omega$ resistor in the given circuit is $x$ volt.
→The value of $'x'$ to the nearest integer is..........
A massless square loop, of wire of resistance $10\,\Omega$. supporting a mass of $1\,g$. hangs vertically with one of its sides in a uniform magnetic field of $10^3\, G$, directed outwards in the shaded region. A dc voltage $V$ is applied to the loop. For what value of V. the magnetic force will exactly balance the weight of the supporting mass of $1\,g$ ? (If sides of the loop $=10\,cm , g =10\,ms ^{-2}$ )
→In a Young’s double slit experiment, the slits are placed $0.320\,mm$ apart. Light of wavelength $\lambda = 500\,nm$ is incident on the slits. The total number of bright fringes that are observed in the angular range $ - {30^o} \le \theta \le {30^o}$ is
→The ground state energy of hydrogen atom is $-13.6 eV$. The kinetic and potential energies of the electron in this state are:
→A fringe width of $\,6 mm$ was produced for two slits separated by $1\, mm$ apart. The screen is placed $10\, m$ away. The wavelength of light used is $'x'\, nm.$ The value of $'x'$ to the nearest integer is
→