List of top Physics Questions asked in MET

A battery of emf 10 V is connected to resistance as shown in figure. The potential difference $VA-VB$ between the points A and B is
Solar radiation is
A sounding source of frequency 500 Hz moves towards a stationary observer with a velocity 30 m/s. If the velocity of sound in air is 330 m/s find the frequency heard by the observer.
At what height h above earth, the value of g becomes g/2? (R = Radius of earth)
Fundamental frequency of an open pipe is $fₒ$. Fundamental frequency when it is half filled with water is
Three identical thermal conductors are connected as shown in figure. Considering no heat loss due to radiation, temperature at the junction will be
r
In the electrical network shown in the figure, the potential difference across 3 $Ω$ resistance will be
From an inclined plane two particles are projected with same speed at same angle $θ$, one up and other down the plane as shown in figure, which of the following statements is/are correct?
Surface tension vanishes at
A transistor is working in common emitter mode. Its amplification factor ($β$) is 80. If the base current is 250 $μ A$, the collector current will be
In the figure shown, the magnetic field induction at the point O will be
Vapour pressure of pure 'A' is 70 mm of Hg at $25^{\circ}C$. It forms an ideal solution with 'B' in which mole fraction of A is 0.8. If the vapour pressure of the solution is 84 mm of Hg at $25^{\circ}C$, the vapour pressure of pure 'B' at $25^{\circ}C$ is
In countries nearer to polar region, the roads are sprinkled with $CaCl_{2}$. This is
In the reaction sequence $CH_{3}COOH \xrightarrow{LiAlH_{4}} X \xrightarrow{Cu, 300^{\circ}C} Y \xrightarrow{dil.\ NaOH} Z$, the final product Z is
The reaction involved in the oil of winter green test is salicylic acid + missing reagent $\xrightarrow{\Delta, \text{Conc. H}_{2}\text{SO}_{4}}$ product. The missing reagent in the above reaction is
Arrange the following in the increasing order of their basic strengths: $CH_{3}NH_{2}$, $(CH_{3})_{2}NH$, $(CH_{3})_{3}N$ and $NH_{3}$
A body of mass x kg is moving with a velocity of $100~\text{m s}^{-1}$. Its de-Broglie wavelength is $6.62\times10^{-35}$ m. Hence, x is ($h=6.62\times10^{-34}$ Js)
A covalent molecule $AB_{3}$ has pyramidal structure. The number of lone pair and bond pair of electrons in the molecule are respectively
The rms velocity of molecules of a gas of density $4~\text{kg m}^{-3}$ and pressure $1.2 \times 10^{5}~\text{N m}^{-2}$ is
0.5 mole of each of $H_{2}$, $SO_{2}$ and $CH_{4}$ are kept in a container. A hole was made in the container. After 3 h, the order of partial pressures in the container will be
The enthalpy of formation of $NH_{3}$ is -46 kJ mol$^{-1}$. The enthalpy change for the reaction $2NH_{3}(g) \longrightarrow N_{2}(g) + 3H_{2}(g)$ is
5 moles of $SO_{2}$ and 5 moles of $O_{2}$ are allowed to react. At equilibrium, it was found that 60% of $SO_{2}$ is used up. If the partial pressure of the equilibrium mixture is one atmosphere, the partial pressure of $O_{2}$ is
\( 2HI(g) \rightleftharpoons H_{2}(g) + I_{2}(g) \). The equilibrium constant of the above reaction is 6.4 at 300 K. If 0.25 mole each of \( H_{2} \) and \( I_{2} \) are added to the system, the equilibrium constant will be
IUPAC name of \( (CH_{3})_{3}CCl \) is
An organic compound on heating with CuO produces \( CO_{2} \) but no water. The organic compound may be