List of top Physics Questions asked in Punjab PMET

A packet is dropped from a balloon which is going upwards with the velocity $12\, m$ $s^{-1}$, the velocity of the packet after 2 s will be

At the height $80\, m$ , an aeroplane is moved with $150\,m/s$. A bomb is dropped from it so as to hit a target. At what distance from the target should the bomb be dropped? (given $g=10\,m/s^{2}$)

A stone thrown at an angle $ \theta $ to the horizontal reaches a maximum height $H$ . Then the time of flight of stone will be

Near and far points of human eye are

An object accelerates from rest to a velocity $27.5\,m/s $ in $10\,\sec $ then the distance covered in next $ 10\,\sec$ is

A man having height $6\, m$, observes image of $2\, m$ height erect, then mirror used is

A body is moving along a rough horizontal surface with an initial velocity $6\, ms^{-1}$ If the body comes to rest after travelling a distance $9\, m$, then the coefficient of sliding friction will be

A diver in a swimming pool bends his head before diving, because it:

A simple pendulum is vibrating in an evacuated chamber, it will oscillate with:

Intensity of an electric field $E$ due to a dipole, depends on distance $r$ as:

For an isotropic medium $B,\, \mu,\, H$ and $M$ are related as (where $B,\, \mu_{0},\, H$ and $M$ have their usual meaning in the context of magnetic material :

On a planet a freely falling body takes $2\,\sec$ when it is dropped from a height of $8\,m$ , the time period of simple pendulum of length $1\,m$ on that planet is:

At what depth below the surface of the earth, acceleration due to gravity $g$ will be half its value $1600\,km $ above the surface of the earth?

A perfectly black body is one where

A particle moves from position $r_1 = 3 \hat i + 2 \hat j - 6 \hat k$ to position $r_2 = 14 \hat i + 13 \hat j + 9 \hat k$ under action of force $F = 4 \hat i + \hat j + 3 \hat k$ N. The work done will be

If $\vec{A} \times \vec{B}|=| \vec{A} \cdot \vec{B} \mid$ then the angle between $\vec{A}$ and $\vec{B}$ will be :

Two open organ pipes of length $25\, cm$ and $25.5\, cm$ produce $0.1$ beat/sec. The velocity of sound will be :

Which one of the following is different from others?

If $\left|\vec{A}+\vec{B}\right|=\left|\vec{A}-\vec{B}\right|$, then the angle between $\vec{A}$ and $\vec{B}$ will be

In Bohr?s model, the atomic radius of the first orbit is $r_0$ . The radius of the third orbit, is

In achromatic combination of lenses is formed by joining :

A man of weight $ 75\,kg $ is standing in an elevator which is moving with an acceleration of $5\,m/s^{2}$ in upward direction the apparent weight of the man will be: $ (g=10\,m/s^{2})$

The effective acceleration of a body, when thrown upwards with acceleration $ a $ will be:

The half-life of a radioactive substance is $3.6$ days. How much of $ 20\,\,mg $ of this radioactive substance will remain after $36$ days:

If vibration of string are to be two times, then tension in the string must be made: