KCET 2026

Following are statements of a few processes taking place in nature.I. Free expansion of a gasII. The combustion of a mixture of petrol and air ignited by a sparkIII. The leaking of gas from the kitchen cylinder.IV. The transfer of heat from...

In thermodynamic processes, which of the following statements is not true?

The graph of pressure P and volume V of $1$ mole of an ideal gas at constant temperature is

A mass M is hung with a light inextensible string as shown in figure. Find the tension of the horizontal string.

A man weighs $80$ kg. He stands on a weighing scale in a lift which is moving upwards with a uniform acceleration of $6 \text{ m/s}^2$. What would be his weight in kg? ($g = 10 \text{ m/s}^2$)

Pick out the WRONG statements about magnetic substances.($\chi$ = magnetic susceptibility)($\mu_r$ = relative permeability).I. Substances with $-1 \leq \chi < 0$ are diamagnetic.II. Substances with $\chi \gg 1$ are paramagnetic.III. Substan...

If a paramagnetic bar is brought near a bar magnet, then it is

Two bodies are projected with the same velocity. If one is projected at an angle of $30^\circ$ and the other at $45^\circ$ to the horizontal, then the ratio of maximum heights attained is

The velocity of a particle moving along $x$-axis is given as $V = x^2 - 5x + 4$ (in m/s) where $x$ denotes the $x$-coordinate of the particle in metres. The magnitude of the acceleration of the particle when the velocity of the particle zer...

A car covers the first half of the distance between two places at $40$ km/h and another half at $50$ km/h. The average speed of the car is

A point charge is placed in a moving train. A passenger A sitting in the train and person B on the ground observe the fields due to this charge. Then

Two identical circular current loops carrying equal currents are placed with their axes inclined at $45^\circ$ to each other as shown in the figure. The resultant magnetic field at P is

Biot-Savart law indicates that an electron moving with a velocity $\vec{V}$ produces a magnetic field $\vec{B}$ around it such that

A proton, an electron and an $\alpha$-particle enter at right angles to a uniform magnetic field with the same velocity. If $R_p, R_e$ and $R_\alpha$ are the radii of circular paths of these particles, then

From the graph of angle of deviation versus angle of incidence for an equilateral prism, the refractive index of material of prism is

The critical angle for a monochromatic light going from medium A to medium B is $\theta$. If the speed of light in medium A is $V$, then the speed of light in medium B is

The incorrect statement about refractive index for a pair of media is

The direction of a ray of light incident on a concave mirror is shown by PQ, while direction in which the ray would travel after reflection is shown by four rays marked as A, B, C and D as shown in the figure. Which of the four rays correct...

With reference to the figure shown below, match the following:List-IList-II(a)Angle of reflection(i)$60^\circ$(b)Value of $\alpha$(ii)$120^\circ$(c)Angle of deviation(iii)$30^\circ$

If the earth were to suddenly contract to half of its present radius, what would be the duration of the day?

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