List of top Physics Questions asked in AFMC

Which scientist experimentally proved the existance of electromagnetic waves?

Drift velocity varies with the velocity of electric field as per the relation

$v_{rms}, v_{av} $ and $v_{mp}$ are root mean square, average and most probable speeds of molecules of a gas obeying Maxwellian velocity distribution. Which of the following statements is correct?

A boat of mass $40\, kg$ is at rest. A dog of mass $4 \,kg$ moves in the boat with a velocity of $10\, m/s$. What is the velocity of boat?

Ohm's law is not obeyed by:

Which one is a vector quantity?

Which one proves transverse nature of waves?

The electrostatic capacitance depends on:

In fission of $U-235$, the percentage of mass convened into energy is about:

A particle covers $150\, m$ in $8^\text{th}$ second starting from rest, its acceleration is:

Chronometer measures:

Which one is not a unit of time?

Quality depends on:

Two closed organ pipes $100\, cm $ and $101 \,cm$ long gives $16$ beats in $20 \,s$, when each pipe is sounded in its fundamental mode. Calculate the velocity of sound:

The practical unit of resistance is $ \Omega .1 \, \Omega $ is equal to:

A body measures $5\,N $ in air and $2\,N$ when put in water. The buoyant force is:

Absolute zero is the condition at which:

The green house effect is caused by :