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Two bulbs are marked 200 V , 300 W and 200 V , 600 W, respectivelly . The bulbs are connected in series and the combination is connected to a 200 V supply. 300 W and 200 V 600 W respectivelly . The bulbs are connected in series and the combination is connected to a [...]

A 25 W and a 100 W bulb are joined in series and connected to the mains. which bulb will glow brighter ? A 25 W and a 100 W bulb are joined in series and connected to the mains. which bulb will glow brighter ? November 15, 2020 Category: Uncategorised (JEE Advanced Physics by [...]

A series circuit consists of three identical lamps connected to a battery as shown in figure. A series circuit consists of three identical lamps connected to a battery as shown in figure. November 15, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Which gas is evolved by the treatment of magnesium with very dilute solution of HNO3 (a) N2 (b) NO2 (c) H2 (d) H2O Which gas is evolved by the treatment of magnesium with very dilute solution of HNO3 (a) N2 (b) NO2 (c) H2 (d) H2O November 15, 2020 Category: Uncategorised (JEE Advanced Physics by [...]

What happens to the interference pattern if the two slits in Young’s experiment are illuminated by two independent sources such as two sodium lamps S and S′ as shown in figure. What happens to the interference pattern if the two slits in Young's experiment are illuminated by two independent sources such as two sodium lamps [...]

Young’s double-slit experiment is made in a liquid. The tenth bright fringe in liquid lies in screen where 6th dark fringe lies in vacuum. The refractive index of the liquid is approximately Young's double-slit experiment is made in a liquid. The tenth bright fringe in liquid lies in screen where 6th dark fringe lies in [...]

In Young’s double slit experiment, how many maximas can be obtained on a screen (including the central maximum) on both sides of the central fringe if (λ=2000Å)? how many maximas can be obtained on a screen (including the central maximum) on both sides of the central fringe if (λ=2000Å)? In Young's double slit experiment November [...]

A plate of thickness t made of material of refractive index μ is placed in front of one of the slits in a double-slit experiment. What should be the minimum thickness t which will make the intensity at the centre of the fringe pattern zero? Sources 1 and 2 emit lights of different wavelengths whereas [...]

A monochromatic beam of light fall on YDSE apparatus at some angle (say θ) as shown in figure. A thin sheet of glass is inserted in front of the lower slit s2. The central bright fringe (path difference =0) will be obtained Sources 1 and 2 emit lights of different wavelengths whereas sources 3 and [...]

In Young’s double-slit experiment, the y-coordinate of central maxima and 10th maxima are 2 cm and 5 cm, respectively, When the YDSE apparatus is immersed in a liquid of refreactive index 1.5, the corresponding y-coordinates will be In Young's double slit experiment respectively the corresponding y-coordinates will be the y-coordinate of central maxima and 10th [...]