Download App

Light Waves — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsLight Waves1 Mark
Question
A thin transparent sheet is placed in front of a Young's double slit. The fringe-width will:
  1. Increase.
  2. Decrease.
  3. Remain same.
  4. Become nonuniform.
✓

Answer

  1. Remain same.
Explanation:
On the introduction of a transparent sheet in front of one of the slits, the fringe pattern will shift slightly but the width will remain the same.

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 Light Waves→Light Waves — all question types→Physics STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

The dimension $\ce{ML^{-1} T^{-2}}$ can correspond to$:$
→
If particles are moving with same velocity, then maximum de-Broglie wavelength will be for
→
A circular loop carrying a current is replaced by an equivalent magnetic dipole. A point on the axis of the loop is(a) An end-on position(b) A broad side-on position(c) Both (a) and (b)(d) Neither (a) nor (b)
   
   
→
Optoelectronic devices work on:
→
If a full wave rectifier circuit is operating from 50 Hz mains, the fundamental frequency in the ripple will be(a) 50 Hz (b) 70.7 Hz(c) 100 Hz(d) 25 Hz
       
→
According to Einstein's photoelectric equation, the graph of K.E. of the photoelectron emitted from the metal versus the frequency of the incident radiation gives a straight line graph, whose slope:
→
In series $\text{L - C - R}$ circuit voltage drop across resistance is $8V,$ across inductor is $6V$ and across capacitor is $12V$. Then.
→
The wave theory of light, in its original form, was first postulated by.
→
A point object O is placed on the principal axis of a convex lens of focal length 20 cm at a distance of 40 cm to the left of it. The diameter of the lens is 10 cm. If the eye is placed 60 cm to the right of the lens at a distance h below the principal axis, then the maximum value of h to see the image will be(a) 0 (b) 5 cm(c) 2.5 cm(d) 10 cm
       
→
The period of oscillations of a magnetic needle in a magnetic field is 1.0 sec. If the length of the needle is halved by cutting it, the time period will be(a) 1.0 sec(b) 0.5 sec(c) 0.25 sec(d) 2.0 sec
       
→