Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)

A single slit of width 0.20 mm is illuminated with light of wavelength 500 nm. The observing screen is placed 80 cm from the slit. The width of the central bright fringe will be A single slit of width 0.20 mm is illuminated with light of wavelength 500 nm. The observing screen is placed 80 [...]

Angular width (beta) of central maximum of a diffraction pattern on a single slit does not depend upon Angular width (beta) of central maximum of a diffraction pattern on a single slit does not depend upon October 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

What will be the angle of diffraction for the first minimum due to Fraunhofer diffraction with sources of light of wave length 550 nm and slit of width 0.55 mm ? What will be the angle of diffraction for the first minimum due to Fraunhofer diffraction with sources of light of wave length 550 nm [...]

A slit of size 0.15 cm is placed at 2.1 m from a screen. On illuminated it by a light wavelength 5 * 10^-5 cm. The width of central maxima will be A slit of size 0.15 cm is placed at 2.1 m from a screen. On illuminated it by a light wavelength 5 * [...]

The light of wavelength 6328 A is incident on a slit of width 0.2 mm perpendicularly, the angular width of central maxima will be the angular width of central maxima will be The light of wavelength 6328 A is incident on a slit of width 0.2 mm perpendicularly October 12, 2020 Category: Uncategorised (JEE Advanced [...]

A slit of width a is illuminated by white light. For red light (lemda = 6500 A), the first minima is obtained at theta = 30. Then the value of a will be A slit of width a is illuminated by white light. For red light (lemda = 6500 A) the first minima is obtained [...]

6563 A line emitted by hydrogen atom in a star is found to be red shifted by 5 A. The speed with which the star is receding from the earth is 6563 A line emitted by hydrogen atom in a star is found to be red shifted by 5 A. The speed with which the [...]

Consider a thin square plate floating on a viscous liquid in a large tank. The height h of the liquid in the tank is much less than the width of the tank. The floating plate is pulled horizontally with a constant velocity u 0 . Which of the following statements is (are) true? D = [...]

A uniform capillary tube of inner radius r is dipped vertically into a beaker filled with water. The water rises to a height h in the capillary tube above the water surface in the beaker. The surface tension of water is σ. The angle of contact between water and the wall of the capillary tube [...]

Two spheres P and Q of equal radii have densities ρ1 and ρ2, respectively. The spheres are connected by a massless string and placed in liquids L1 and L2 of densities σ1 and σ2 and viscosities η1 and η2, respectively. They float in equilibrium with the sphere P in L1 and sphere Q in L2 [...]