List of top Physics Questions on Magnitude and Directions of a Vector asked in KEAM

If both x and y components of a vector are equal, its angle with x-axis is
$\vec{P} = x\hat{i} + 0.8\hat{j} + 0.6\hat{k}$ If magnitude of $\vec{P}$ is 2, value of x is
The ratio of the magnitudes of electrostatic force between an electron and a proton separated by a distance \( r \) to that between a proton and an alpha particle separated by the same distance \( r \) is:
Magnitude of drift velocity per unit electric field is known as:
The current flowing from p to n side in a pn junction diode irrespective of biasing is termed:
Which one is an INCORRECT statement?
The terminal velocity of a small steel ball falling through a viscous medium is:
A wave with a frequency of 600 Hz and wavelength of 0.5 m travels a distance of 200 m in a time of:
Torque on a coil carrying current \( I \) having \( N \) turns and area of cross section \( A \) when placed with its plane perpendicular to a magnetic field \( B \) is:
The reactance of an induction coil of 4 H for a dc current (in \( \Omega \)) is:
In a single slit diffraction experiment, the width of the slit and the wavelength of the light are respectively 5 mm and 500 nm. If the focal length of the lens is 20 cm, then the size of the central bright fringe will be
If the maximum number of neighbours of a nucleon within the range of nuclear force is \( p \) and \( k \) is a constant, then the binding energy per nucleon is approximately: