List of top Physics Questions asked in KCET

The effective capacitance between the points $A$ and $B$ in the circuit shown in $(\mu F)$ is (capacitance of each capacitor is$(\mu F)$
The focal length of a plano convex lens is equal to its radius of curvature. The value of the refractive index of its material is
The normal magnifying power of a simple microscope is 6. The focal length of the convex lens uses is
Maximum and minimum values of the resultant of two forces acting at a point are $7\, N$ and $3\, N$ respectively. Then smaller force is equal to
Magnetic field due to a long straight conductor of length, carrying current at a point distance from it, is given by
Suppose a tunnel is dug along the diameter of earth. A particle is dropped from a point at a distance $h$ directly above the tunnel. The earth's density is assumed uniform and the friction is neglected, then
A motor
At the mid point along the length of a long solenoid, the magnetic field is equal to x. If the length of the solenoid is doubled and the current is reduced to half, the field at the new mid point will be nearest to
$1000$ drops of water of radius $1\,cm$ each carrying a charge of $10\, esu$ combine to form a single drop. The capacitance of combined drop increases
Two parallel wires carry electric current in same direction. The wires
In India electricity is supplied for domestic use at $220\, V$. It is supplied at $110 \,V$ in USA. If the resistance of a $60 \,W$ bulb for use in India is $R$, the resistance of a $60 \,W$ bulb for use in USA will be
An example of a non ohmic device is
Resistance of an ideal ammeter is
A red flower seen through a green glass looks
Four resistors of $100\,\Omega$ each are connected in the form of a square. Then the effective resistance along the diagonal point is
An electron in motion is associated with
The statement "algebraic sum of currents meeting at a node is zero" is
Sky seen from earth appears blue because of
When light passes form one medium to another, there is a change in
Figures below show four ways of making a regular hexagon out of wires of two different kinds P, Q with current beafls at the middle of opposite wires, the magnetic field at the centre of the hexagon is not zero in
Unpolarised light converts to partially or plane polarised light by many processes, Which of the following does not do that ?
The units of Planck's constant are
The number of neutrons in a $_{92}U^{235}$ nucleus is
The door of a domestic refrigerator is kept open while the switch is on. Then the room will
In terms of Rydberg constant R, the shortest wavelength in Balmer series of hydrogen atom spectrum will have wavelength