Physics-
General
Easy
Question
In double slit experiment, the distance between two slits is 0.6 mm and these are illuminated with light of wavelength 4800 A0 The angular width of dark fringe on the screen at a distance 120 cm from slits will be
The correct answer is:
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I, II, and III are three isotherms, respectively, at 
and 
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I, II, and III are three isotherms, respectively, at and . Temperature will be in order
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vs 
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and 
for an ideal gas are shown below:
Which one of the following is correct?
vs curves at different pressures and for an ideal gas are shown below:
Which one of the following is correct?
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In a YDSE shown in Fig a parallel beam of light is incident on the slits from a medium of refractive index n1 The wavelength of light in this medium is l1 A transparent slab of thickness ‘t’ and refractive index n3 is put in front of one slit The medium between the screen and the plane of the slits is n2 The phase difference between the light waves reaching point “O” (symmetrical, relative to the slits) is
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In Young’s double slit experiment 
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Actual graph for the given parameters. For the non-zero volume of the molecules, real gas equation for 
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chemistry-General
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For 1 mol of an ideal gas, 
in Fig.
I) 
in Fig.
II) 
in Fig.
III) and in Fig.
IV) then which curves are correct
I) 
II) 
III) 
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For 1 mol of an ideal gas, in Fig.
I) in Fig.
II) in Fig.
III) and in Fig.
IV) then which curves are correct
I)
II)
III)
IV)
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Velocity corresponding to point 
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Fig., here shows P and Q as two equally intense coherent sources emitting radiations of wavelength 20m The separation PQ is 5m, and phase of P is ahead of the phase of Q by 90o A, B and C are three distant points of observation equidistant from the mid-point of PQ The intensity of radiations of A, B, C will bear the ratio
Fig., here shows P and Q as two equally intense coherent sources emitting radiations of wavelength 20m The separation PQ is 5m, and phase of P is ahead of the phase of Q by 90o A, B and C are three distant points of observation equidistant from the mid-point of PQ The intensity of radiations of A, B, C will bear the ratio
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Two identical narrow slits are illuminated by light of wavelength 
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A ray of light of intensity I is incident on a parallel glass slab at a point A as shown It undergoes partial reflection and refraction At each reflection 25% of incident energy is reflected The rays AB and A’ B’ undergo interference The ratio 
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A plane polarized beam of intensity I is incident on a polariser with the electric vector inclined at 30o to the optic axis of the polariser passes through an analyzer whose optic axis is inclined at 30o to that of polariser Intensity of light coming out of the analyzer is
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Fig shows a double slit experiment, P and Q are the two coherent sources The path lengths PY and QY are n and (n + 1) respectively where n is whole number and is wavelength Taking the central bright fringe as zero, what is formed at Y?
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Two liquids and 
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Product (C) is:
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A beam of light AO is incident on a glass slab (m = 1.5(D) in the direction shown The reflected ray OB is passed through a Nicol prism On viewing through a Nicol prism, we find on rotating the prism that
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physics-General
