List of top Physics Questions asked in KCET

The unit of Stefan's constant is

Vector which is perpendicular to $ a\,\cos \,\theta \,\hat{i}+b\,\sin \,\theta \,\,\hat{j} $ is

Select the right option in the following

If $M$ is the mass of the earth and $R$ its radius, the ratio of the gravitational acceleration and the gravitational constant is :

From the adjacent figure, the correct observation is

A student unable to answer a question on Newton's laws of motion attempts to pull himself up by tugging on his hair. He will not succeed

A tangent Galvanometer has a reduction factor of $1\,A$ and it is placed with the plane of its coil perpendicular to the magnetic meridian. The deflection produced when a current of $1\,A$ is passed through it is

From the figure describing photoelectric effect we may infer correctly that ........

The relationship between the force $F$ and position $x$ of a body is as shown in the figure. The work done in displacing the body from $x = 1\,m$ to $x = 5\,m$ will be

The given figure is the part of a horizontally stretched net. Section $AB$ is stretched with a force of $10 N$. The tensions in the sections $BC$ and $BF$ are

From the top of a tower of two stones, whose masses are in the ratio $1 : 2$ are thrown one straight up with an initial speed $u$ and the second straight down with the same speed $u$. Then, neglecting air resistance

If a liquid does not wet glass, its angle of contact is

If the potential difference across the internal resistance $r_1$ is equal to the emf $E$ of the battery, then

Four metal conductors having different shapes a) a sphere b) cylindrical c) pear d) Lightening conductor are mounted on insulating stands and charged. The one which is best suited to retain the charge for a longer time is

By using only two resistance coils-singly, in series, or in Parallel-one should be able to obtain resistances of $3, 4, 12$ and $16$ ohms. The separate resistances of the coil are

The magnitude of $I$ in ampere unit is

Out of the following four dimensional quantities, which one qualifies to be called a dimensional constant ?

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?

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 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 ?