KCET 2026

The angular momentum of a moving body remains constant, if

A wafer of pure germanium crystal has two parts X and Y. The end X is obtained by doping with arsenic and Y with indium. It is connected to a battery as shown in the figure. Which of the following statements is correct?

In which of the following figures, diode is reverse biased?

An n-type and p-type semiconductor can be obtained by respectively doping pure silicon with

A mass of $1$ kg is executing SHM. Its displacement is given by $x = 6.0\cos(100t + \pi/4)$ cm. What is the maximum kinetic energy?

Match the physical quantities given in List-I with dimensions expressed in terms of mass (M), length (L), time (T) and electric current (A) given in List-II.List-IList-II(a) Torque(i) $[M^{-1}L^{-2}T^{4}A^{2}]$(b) Gravitational constant(ii)...

In Young's double slit experiment, how many maxima can be seen on a screen (including central maxima) if $d = \dfrac{5\lambda}{2}$ (where $\lambda$ is wavelength of light and $d$ is distance between the two slits).

A source of frequency $\nu$ gives $6$ beats/second when sounded with a source of frequency $200$ Hz. The second Harmonic of frequency $2\nu$ of the source gives $8$ beats/second when sounded with a source of frequency $420$ Hz. The value of...

A horizontal force of $5$ N is applied on a stationary body of mass $5$ kg, which is initially at rest on a frictionless table. The change in kinetic energy of the body in $10$ s is

Two bodies with kinetic energies in the ratio of $3:1$ are moving with equal linear momentum. The ratio of their masses is