List of top Physics Questions asked in UP CPMT

A cylindrical tube, open at both ends, has a fundamental frequency $f$ in air. The tube is dipped vertically in water so that half of it is in water. The fundamental frequency of the air column is
A thermally insulated vessel containing a gas whose molar mass is $M$ and ratio of specific heat $\gamma$ moves with velocity $v$. What is the change in temperature of the gas if the vessel is suddenly stopped?
Which of the following is the best method to obtain coherent sources ?
Electric field produced by an electron at a point is $E$. What will be electric field produced by $Li^{+++}$ at the same point if it is placed at position of electron ?
The time period of a geostationary satellite is
The relation between phase difference and path difference is
The equation $y = 4cos(2\pi x)cos(2\pi t)$ represents
The following arrangement consists of five identical metal plates marked $1$, $2$, $3$, $4$ and $5$ parallel to each other. Area of each plates is $A$ and separation between the successive plates is $d$. The capacitance between $P$ and $Q$ is
Some iron beads are embedded in wax ball which is just floating in water. The volume of ball is $18 \,cm^{3}$ and relative density of wax is $0.9$. Then mass of the iron trapped in the ball is
Which phenomenon is common in both light and sound waves ?
A boy aims at a bird from a point at a horizontal distance of $100 \,m$. The gun can impart a velocity of $500\, m/s$ to the bullet. At what height above the bird must he aim his gun in order to hit? $(g = 10\, m/ s^2)$.
Magnetic field produced due to a current carrying conductor is independent of
Which of the following is not an application of eddy currents ?
The moment of inertia of a thin uniform circular disc about one of the diameters is $l$. Its moment of inertia about an axis perpendicular to the plane of the disc and passing through its centre is
If light is a longitudinal wave, it cannot explain
A current of $4.8\, A$ is flowing in a conductor. The number of electrons passing per sec through the conductor will be
When a body is in resonance following physical quantity gradually increases?
Find equivalent capacitance between $A$ and $B$
Two bodies of different masses are dropped from a tower, assuming that air resistance is proportional to the mass of body. Which of the following is correct?
A man will weigh more when
Path of cathode rays entering uniform magnetic field normal to the field
When a spring is stretched by a distance $x$, it exerts a force, given by $F = (-5x - 16x^{3})\, N$. The work done, when the spring is stretched from $0.1 \,m$ to $0.2\, m $ is
Two concentric circular coils of ten turns each are situated in the same plane. Their radii are $20\, cm$ and $40\, cm$ and they carry respectively $0.2\, A$ and $0.3\, A$ currents in opposite direction. The magnetic field in tesla at the centre is
An object is kept on a smooth inclined plane of 1 in $l$. The horizontal acceleration to be imparted to the inclined plane so that the object is stationary relative to the incline is
Which of the following expressions is that of a harmonic progressive wave?