List of top Questions asked in KEAM

The INCORRECT statement is
Identify the two electromagnetic waves A and B having respective wavelengths 2 cm and 580 nm
The optical elements are matched with their optical phenomenon. The FALSE match is
Nucleons in nucleus are bound by
The angular momentum and the energy of the electron in the second Bohr’s orbit are respectively
If a thin lens of focal length 20 cm is in contact with another lens of power 4 D, then the effective power of the combination is
If the de Broglie wavelengths of proton p and alpha particle \(\alpha\) are same, then
If three tube lights with power 10 W, 25 W and 50 W are connected in parallel to a source voltage V, then the effective power of the combination is
In an electric circuit, if 2A , 5 A and 4 A are the currents entering a junction and Ix , 2A and 3A are the currents leaving the junction, then the current value Ix is
As temperature increases, at Curie temperature
In a transformer circuit it is possible to
The current that has to pass through a single circular loop of radius 10 cm to produce a magnetic field of \(\mu_0\) tesla at its centre is
If \(C_v\) is the specific heat capacity at constant volume of a gas, then the amount of heat required to increase the temperature of 2 moles of the gas from \(27^\circ\text{C}\) to \(127^\circ\text{C}\) at constant volume is
An isolated capacitor of capacitance 100 \(\mu\)F is charged to 32 C. If 16 C of charge is discharged from it, then its capacitance value is
The magnitude and direction of acceleration change in the case of an object
The INCORRECT assumption in the kinetic theory of gases is
When a tuning fork of frequency 256 Hz is sounded together with unknown tuning fork, 4 beats are heard in one second. The frequency of the unknown tuning fork can be
If n electrons from a neutral solid sphere are transferred to another solid sphere having m electrons (m $>$ n), then the charges on the respective spheres are (e = charge of an electron)
If the gauge pressure at a point well inside a liquid of density \(\rho\) in a tank is \(p\), then the depth of the point from the surface of the liquid is (atmospheric pressure is P)
A couple produces a
If a cylinder is stretched by two equal forces applied normal to its cross-section, then the restoring force per unit area is called
If a ring of mass 50 g and radius 2cm is rolling on a smooth horizontal platform with its centre of mass moving with a speed of 50 cms\(^{-1}\), then its total energy is
The ratio of the escape velocities from the surface of two planets having densities and radii in the ratio 2 : 1 and 1 : 2 respectively is
If a body at rest undergoes displacement under the action of force with constant acceleration, then the power delivered by the force at any time t is proportional to
A cyclist speeding at a velocity \(v\) on a level road takes a sharp circular turn of radius R. If \(\mu\) is the static friction between the tyres and road, then the condition for the cyclist not to slip is