All articles filed under Quiz.
In Balmer series of hydrogen atom, as the wavelength of spectral lines decreases, they appear (A) e…
A coil of N turns is placed in a magnetic field B such that B is perpendicular to the plane of the …
The phase difference between electric field E and magnetic field B in an electromagnetic wave propa…
Figure shows the variation of inductive reactance XL of two ideal inductors of inductance L1 and L2…
A circular loop A of radius R carries a current I. Another circular loop B of radius r is placed co…
A galvanometer of resistance 100 is converted into an ammeter of range (0 – 1 A) using a resistance…
The magnetic susceptibility for a diamagnetic material is (A) small and negative (B) small and posi…
A straight wire is kept horizontally along east west direction. If a steady current flows in wire f…
The radius (rn) of nth orbit in Bohr model of hydrogen atom varies with n as Ans. The radius of the…
The quantum nature of light explains the observations on the photoelectric effect as – (A) there is…
Two identical small conducting balls B, and B, are given -7 pC and + 4 pC charges respectively. The…
Two charges + q each are kept ‘2a’ distance apart. A third charge – 2q is placed midway between the…