In Young's double slit experiment, a glass plate is placed before… - Vidyadip

MCQ

In Young's double slit experiment, a glass plate is placed before a slit which absorbs half the intensity of light. Under this case

A
The brightness of fringes decreases
B
The fringe width decreases
C
No fringes will be observed
✓
The bright fringes become fainter and the dark fringes have finite light intensity

✓

Answer

Correct option: D.

The bright fringes become fainter and the dark fringes have finite light intensity

The bright fringes become fainter and the dark fringes have finite light intensity

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

Explore more

More "M.C.Q (1 Marks)" from Wave Optics→Wave Optics — all question types→Physics STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

In a double slit experiment the angular width of a fringe is found to be $0.2^o $on a screen placed $1\, m$ away. The wavelength of light used is $600\, nm$. What will be the angular width of the fringe if the entire experiment apparatus is immersed in water? Take refractive index of water to be $4/3$.......$^o$

The electric field in a region of space is given by, $\overrightarrow E = {E_0}\hat i + 2{E_0}\hat j$ where $E_0\, = 100\, N/C$. The flux of the field through a circular surface of radius $0.02\, m$ parallel to the $Y-Z$ plane is nearly

A electron experiences a force $\left( {4.0\,\hat i + 3.0\,\hat j} \right)\times 10^{-13} N$ in a uniform magnetic field when its velocity is $2.5\,\hat k \times \,{10^7} ms^{-1}$. When the velocity is redirected and becomes $\left( {1.5\,\hat i - 2.0\,\hat j} \right) \times {10^7}$, the magnetic force of the electron is zero. The magnetic field $\vec B$ is :

Magnetic field due to $0.1\, A$ current flowing through a circular coil of radius $0.1\, m$ and $1000$ $turns$ at the centre of the coil is

Which of the following spectrum have all the frequencies from high to low frequency range

An electron is accelerated through a potential difference of $200$ volts. If $e/m$ for the electron be $1.6 \times {10^{11}}$ $coulomb/kg$ , the velocity acquired by the electron will be

Given below are two statements

Statement $I:$ The equivalent resistance of resistors in a series combination is smaller than least resistance used in the combination.

Statement $II$ : The resistivity of the material is independent of temperature.

In the light of the above statements, choose the correct answer from the options given below

An inductor of inductance $L$ and resistor of resistance $R$ are joined in series and connected by a source of frequency $\omega $. Power dissipated in the circuit is

In the circuit shown, the switch is shifted from position $1 \rightarrow 2$ at $t = 0$. The switch was initially in position $1$ since a long time. The graph between charge on capacitor $C$ and time $'t'$ is

Two tangent galvanometer coils of same radius connected in series. The current flowing produces deflection of $60^o$ and $45^o$. The ratio of number of turns in coil is