List of top Physics Questions

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
Two boys are standing at the ends A and B of a ground where AB = a. The boy at B starts running in a direction perpendicular to AB with velocity $v_1$. The boy at A starts running simultaneously with velocity v and catches the other in a time t, where t is
If a liquid does not wet glass, its angle of contact is
For a constant hydraulic stress on an object, the fractional change in the object's volume $(\Delta V / V)$ and its bulk modulus $(B)$ are related as :
A bomb of mass 30kg at rest explodes into two pieces of masses 18kg and 12kg. The velocity of 18kg mass is 6ms-1. The kinetic energy of the other mass is
Average density of the earth :
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
The circular motion of a particle with constant speed is:
A heavy brass sphere is hung from a weightless inelastic spring and as a simple pendulum its time period of oscillation is T. When the sphere is immersed in a non-viscous liquid of density 1/10 that of brass, it will act as a simple pendulum of period :
The relation between time $t$ and distance $x$ is $t = ax^2 + bx$, where $a$ and $b$ are constants. The acceleration is:
A cylindrical bar magnet is kept along the axis of a-circular coil. If the magnet is rotated about its axis, passing through the centre, perpendicular to the face, then:
Core of a transformer is made up of:
Out of the following four dimensional quantities, which one qualifies to be called a dimensional constant ?
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 induction coil works on the principle of
The wavelength of the radiation emitted by a body depends upon