What happens to the interference pattern the two slits S1 and S2 in Young’s double experiment are illuminated by two independent but identical sources?
(a) The intensity of the bright fringes doubled
(b) The intensity of the bright fringes becomes four times
(c) Two sets of interference fringes overlap
(d) No interference pattern is observed
(a) The intensity of the bright fringes doubled
(b) The intensity of the bright fringes becomes four times
(c) Two sets of interference fringes overlap
(d) No interference pattern is observed
(d) No interference pattern is observed
What happens to the interference pattern if the two slits S1 and S2 in Young’s double experiment are illuminated by two independent but identical sources?
(a) The intensity of the bright fringes doubled
(b) The intensity of the bright fringes becomes four times
(c) Two sets of interference fringes overlap
(d) No interference pattern is observed
What happens to the interference pattern, the two slits S1 and S2 in Young’s double slit experiment are illuminated by two independent but identical sources?
a. The intensity of the bright fringes doubled
b. The intensity of the bright fringes becomes four times
c. Two sets of interference fringes overlap
d. No interference pattern is observed.
What happen when we use white light in Young’s double slit experiment.
(A) No interference pattern will form
(B) white fringes will form
(C) Central bright fringe will be white
(D) Central fringe will be coloured
Instead of using two slits as in Young’s experiment, if we use two separate but identical sodium lamps, which of the following occur?
(a) general illumination.
(b) widely separate interference.
(c) very bright maximum.
(d) very dark minimum.
The intensity of light emerging from the two slits, in Young’s experiment is in the ratio 1 : 4. The ratio of the intensity of the minimum to that of the consecutive maximum will be:
(a) 1 : 4
(b) 1 : 9
(c) 1 : 16
(d) 2 : 3
In the phenomena of Diffraction of light when the violet light is used in the experiment is used instead of red light then.
(a) Fringe width increases.
(b) No change in fridge width.
(c) Fringe width decreases.
(d) Colour pattern is formed.
What happens if one of the slits, say S1 in Young’s double , slit experiment-is covered with a glass plate which absorbs half the intensity of light from it?
(a) The bright fringes become less-bright and the dark fringes have a finite light intensity
(b) The bright fringes become brighter and the dark fringes become darker
(c) The fringe width decreases
(d) No fringes will be observed
The capacitance of a capacitor will decrease if we introduce a slab of:
(a) copper
(b) aluminium
(c) zinc
(d) None of these
In interference pattern, the energy is
A) created at maximum
(B) destroyed at minimum
(C) conserves but re-disturbed
(D) none of the above
The phenomenon of diffraction can be treated as interference phenomenon if the number of coherent sources is:
(A) one
(B) two
(C) zero
(D) infinity
A parrot comes and sits on a bare high-power line. It will
A. experience a mild shock
B. experiences a strong shock
C. get killed instantaneously
D. not be affected at all
What happen when we use white light in Young’s double slit experiment.
(A) No interference pattern will form
(B) white fringes will form
(C) Central bright fringe will be white
(D) Central fringe will be coloured
What is the angle between the electric dipole moment and electric field strength due to it on the axial line?
(A) \(0^\circ\)
(B) \(90^\circ\)
(C) \(180^\circ\)
(D) None of these
In the phenomenon of diffraction of light, when blue light is used in the experiment instead of red light, then
i. Fringes will become narrower
ii. Fringes will become broader
iii. No change in fringe width
iv. None of the above