Question Answers

The first excitation potential of a hypothetical hydrogen-like atom is 15 V. Find the third excitation potential of the atom. The first excitation potential of a hypothetical hydrogen-like atom is 15 V. Find the third excitation potential of the atom. September 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

An object is kept on a smooth inclined plane of 1 l. The horizontal acceleration to be imparted to the inclined plane so that the object is stationary relative to the incline is : An object is kept on a smooth inclined plane of 1 l. The horizontal acceleration to be imparted to the inclined [...]

In a transition from state n to a state of excitation energy 10.19 eV, a hydrogen atom emits a 4890 A photon. Determine the binding energy of the initial state. a hydrogen atom emits a 4890 A photon. Determine the binding energy of the initial state. In a transition from state n to a state [...]

In the system shown in the figure, the acceleration of 1 kg block is In the system shown in the figure the acceleration of 1 kg block is September 11, 2020 Category: Chapter 5 - Laws of Motion , MTG NEET Physics , Part 1 ,

A convergent beam of light is incident on a convex mirror so as to converge to a distance 12 cm from the pole of the mirror. An inverted image of the same size is formed coincident with the virtual object. What is the focal length of the mirror The graph shows variation of v with [...]

A single electron orbits a stationary nucleus of charge +Ze, where Z is a constant and e is the magnitude of electronic charge. It requires 47.2 eV to excite the electron from the second orbit to the third Bohr orbit. A single electron orbits a stationary nucleus of charge +Ze where Z is a constant [...]

Two masses 40 kg and 30 kg are connected by a weightless string passing over a frictionless pulley as shown in the figure. The tension in the string will be​ Two masses 40 kg and 30 kg are connected by a weightless string passing over a frictionless pulley as shown in the figure. The tension [...]

The graph between u and v for a convex mirror is The graph between u and v for a convex mirror is September 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

As the position of an object (u) reflected from a concave mirror is varied, the position of the image (v) also varies. By letting the u changes from 0 to +∞ the graph between v versus u will be As the position of an object (u) reflected from a concave mirror is varied the position [...]

A doubly ionized lithium atom is hydrogen-like with atomic number 3. Find the wavelength of the radiation required to excite the electron in Li from the first to third Bohr orbit. A doubly ionized lithium atom is hydrogen-like with atomic number 3. Find the wavelength of the radiation required to excite the electron in Li [...]