Question
How would the angular separation of interference fringes in Young’s double slit experiment change when the distance between the slits and screen is doubled?
✓
Answer
Angular separation will not change.
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
A sphere of radius 1.00cm is placed in the path of a parallel beam of light of large aperture. The intensity of the light is 0.5W/cm-2. If the sphere completely absorbs the radiation falling on it, find the force exerted by the light beam on the sphere.
An ac current $I = I _0 \sin \omega t$ produces some heat H in any resistor R in time $T =\frac{2 \pi}{\omega}$. Write the magnitude of dc current which will produce same heat in same resistor in same time.
→V – I graph for a metallic wire at two different temperatures T1 and T2 is as shown in the figure. Which of the two temperatures is higher and why?
Why does a magnetic force exerts on a conducting wire kept in a magnetic field on passing current through it?
The variation of potential V with length l in case of two potentiometers wires P and Q is as shown. Which one of these will you prefer comparing emfs of two primary cells and why?
Answer carefully:
We know that electric field is discontinuous across the surface of a charged conductor. Is electric potential also discontinuous there?
We know that electric field is discontinuous across the surface of a charged conductor. Is electric potential also discontinuous there?
Is heat a conserved quantity?
Write name of that electromagnetic radiation whose wavelength is in the range of $10^{-2}$. Write one use of these radiation.
→The threshold wavelength of a metal is $\lambda_0.$ Light of wavelength slightly less $\tan \lambda_0.$ is incident on an insulated plate made of this metal. It is found that photoelectrons are emitted for some time and after that the emission stops. Explain.
→In Regnault's apparatua for measuring specific heat capacity of a solid, there is an inlet and an outlet in the steam chamber. The inlet is near the top and the outlet is near the bottom. Why is it better than the opposite choice where the inlet is near the bottom and the outlet is near the top?