List of top Physics Questions asked in KCET

The magnitude of $I$ in ampere unit is
Out of the following four dimensional quantities, which one qualifies to be called a dimensional constant ?
When a body falls in air, the resistance of air depends to a great extent on the shape of the body. $3$ different shapes are given. Identify the combination of air resistances which truly represents the physical situation. (The cross sectional areas are the same)
1. Disc 2. Ball 3. cigar sheped
The induction coil works on the principle of
The wavelength of the radiation emitted by a body depends upon
Which mirror is to be used to obtain a parallel beam of light from a small lamp?
The cooling in refrigerator is due to
The electric flux for Gaussian surface A that enclose the charged particles in free space is (given $q_1= - 14\, nc, q_2 = 78.85\, nC, q_3 = - 56\, nC$)
A particle on trough of a wave at any instant will come to mean position after time (T=time period)
Which one of the following is not a unit of Young's modulus ?
The temperature of the system decreases in an
Which mirror is to be used to obtain a parallel beam of light from a small lamp ?
A rectangular coil of $300$ turns has an average area of $25\, cm \times 10\, cm .$ The coil rotates with a speed of $50\, cps$ in a uniform magnetic field of strength $4 \times 10^{-2} T$ about an axis perpendicular to the field. The peak value of the induced emf is (in volt)
A body of mass $m$ rests on horizontal surface, the coefficient of friction between the body and the surface is $\mu$. if the mass is pulled by a force $P$ as shown in the figure, the limiting friction between body and surface will be:
A bar magnet is equivalent to ............
Blowing air with open mouth is an example of ...........
Oxygen is $16$ times heavier than hydrogen. Equal volumes of hydrogen and oxygen are mixed. The ratio of speed of sound in the mixture to that in hydrogen is _____
Sound waves in air are always longitudinal because,
Effective capacitance between A and B in the figure shown is (all capacitances are in $\mu\, F$ )
A bullet moving with a speed of $100\, ms ^{-1}$ can just penetrate two planks of equal thickness. Then, the number of such planks penetrated by the same bullet when the speed is doubled will be ...........
A thin plano-convex lens acts like a concave mirror of focal length $0.2\, m$ when silvered from its plane surface. The refractive index of the material of the lens is $1.5.$ The radius of curvature of the convex surface of the lens will be ............
An unknown resistance $R_{1}$ is connected in series with a resistance of $10 \Omega .$ This combination is connected to one gap of a metre bridge while a resistance $R_{2}$ is connected in the other gap. The balance point is at $50\, cm$. Now, when the $10 \Omega$ resistance is removed the balance point shifts to $40 cm$. The value of $R_{1}$ is (in ohm)
A spherical drop of capacitance $1 \mu \,F$ is broken into eight drops of equal radius. Then, the capacitance of each small drop is ........
Three long straight wires $A, B$ and $C$ are carrying currents as shown in figure. Then the resultant force on $B$ is directed .............
SI unit of permittivity is ...........