List of top Physics Questions asked in MET

Object at 20 cm from plano-convex lens (f = 15 cm), plane surface silvered. Find image position.
A biconvex lens forms circular image of sun of radius \(r\). Find relation with focal length \(f\).
Graph of image position \(v\) vs object position \(u\) for convex lens is given. Find focal length.
Two blocks \(A(2m)\) and \(B(m)\) are connected and suspended by a spring. Find accelerations just after cutting the string.
A massless rod is suspended by two identical strings. A mass is hung at distance \(x\) from left. Fundamental frequency in AB equals 2nd harmonic in CD. Find \(BO\).
A short bar magnet is placed with its south pole towards geographical north. Neutral points are at 20 cm from centre. Given \(B_H = 0.3\times10^{-4}\,Wb/m^2\), find magnetic moment.
A magnet makes 40 oscillations per minute at a place with \(B_H = 0.1\times10^{-5}T\). At another place, time period is 2.5 s. Find \(B_H\) there.
Coercivity \(=4\times10^3 A/m\). Solenoid: 500 turns, length 1 m. Find current needed to demagnetise.
Given \(R_1=1\Omega,\ R_2=2\Omega,\ C_1=2\mu F,\ C_2=4\mu F\). Find time constants for circuits I, II, III.
Two \({}^{64}Cu\) nuclei touch each other. Find electrostatic repulsive energy.
A square loop of side \(a\) carries current \(i\). Find magnetic field at centre.
Nucleus emits \(\alpha\)-particle. Find recoil speed of daughter nucleus.
Fraction decayed in 6 days is \(7/8\). Find fraction decayed in 10 days.
When \({}^{228}_{90}Th\) transforms to \({}^{212}_{83}Bi\), find number of \(\alpha\) and \(\beta\) particles emitted.
Work done in increasing capacitor voltage from 5V to 10V is \(W\). Find work from 0V to 5V.
For a real gas, variation of \(\frac{pV}{RT}\) with pressure \(p\) is shown. Identify correct curve.
In the circuit shown, find voltmeter reading.
Liquid is filled in a flask. On heating, what happens to liquid level?
Two rods (one semi-circular and other straight) of same material and cross-section are joined. The ratio of heat transferred through semi-circular rod to straight rod is graphics[width=0.45\linewidth]{PHYSICS/QP21.png}
Two particles execute SHM with same amplitude and frequency. When displacement is half amplitude, find phase difference.
Pressure-volume relation: jar A has \(V,T\); jar B has \(V/4,2T\). Find ratio of number of molecules.
Two identical vessels contain gases at \(T_0, P_0\). One heated to \(2T_0\). Find pressure \(P\) and number of moles \(n\).
Two substances of densities \(\rho_1\) and \(\rho_2\) are mixed in equal volumes, mixture density = 4. When mixed in equal masses, density = 3. Find \(\rho_1, \rho_2\).
Several spherical drops (radius \(r\)) combine to form one drop (radius \(R\)). Find change in surface energy.
Strain vs stress curves for wires \(P, Q, R\). Which is correct?