MCQ
In Young's double slit experiment, the intensity on the screen at a point where path difference is l is K. What will be the intensity at the point where path difference is λ/4 
  • A
    $\frac{K}{4}$
  • $\frac{K}{2}$
  • C
    K
  • D
    Zero

Answer

Correct option: B.
$\frac{K}{2}$
(b) $\frac{K}{2}$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

A circular disc is placed in front of a narrow source. When the point of observation is at a distance of 1 meter from the disc, then the disc covers first HPZ. The intensity at this point is $I _0$. The intensity at a point distance 25 cm from the disc will be
The truth table for this gvien circuit is:
A charge $q$ is placed at the center of one of the surface of a cube. The flux linked with the cube is :-
To obtain P-type Si semiconductor, we need to dope pure Si with
Magnetic field in a current carrying solenoid is B. If length of the solenoid and current flowing through the solenoid is doubled, keeping the number of turns same, the magnitude of magnetic field in the solenoid will be:
A conducting loop having a capacitor is moving outward from the magnetic field then which plate of the capacitor will be positive
Two charges $ + 3.2 \times {10^{ - 19}}$ and $ - 3.2 \times {10^{ - 19}}\,C$ placed at $2.4\,{\mathop A\limits^o }$ apart form an electric dipole. It is placed in a uniform electric field of intensity $4 \times {10^5}\,volt/m$. The electric dipole moment is
If in a nuclear fusion process the masses of the fusing nuclei be $\mathrm{m}_1$ and $\mathrm{m}_2$ and the mass of the resultant nucleus be $\mathrm{m}_3$, then
If intensity of incident light is increased in $PEE$ then which of the following is true
A galvanometer has a resistance of $20\,\Omega$ and reads full-scale when $0.2\, V$ is applied across it. To convert it into a $10\, A$ ammeter, the galvanometer coil should have a