Physics Test - ...

The velocity of a freely falling body depends on \(g^{p} h^{q}\), where \(g\) is acceleration due to gravity and \(h\) is the height. The values of \(p\) and \(q\) are:

Find out the magnitude of resultant of two displacement vectors, each having a ycomponent of \(10 \mathrm{~km}\), are added together to form a resultant that forms an angle of \(60^{\circ}\) from the \(+x\)-axis. \(\left(\sin 60^{\circ}=0.87, \cos 60^{\circ}=0.5\right)\)

Which of the following electromagnetic wave is used for thermal imaging?

A point particle of mass \(0.1 \mathrm{~kg}\) is executing SHM of amplitude \(0.1 \mathrm{~m}\). When the particle passes through the mean position, its \(\mathrm{KE}\) is \(8 \times 10^{-3} J\). The equation of motion of this particle, if its initial phase of oscillation is \(45^{\circ}\).

The magnetic moment of a bar magnet is M. The work done to turn the magnet by 90° of magnet in direction of magnetic field B will be:

Which of the following statements is not true about Gauss’s law?

A galvanometer having coil resistance \(10 \Omega\) shows a full scale deflection for a current of \(3 \mathrm{~mA}\). For it to measure a current of \(8 \mathrm{~A}\), the value of the shunt should be:

In the Bohr model of the hydrogen atom, let \(R\), \(v\) and \(E\) represent the radius of the orbit, speed of the electron and the total energy of the electron respectively. Which of the following quantities are proportional to the quantum number \(n\) ?

We slip while walking on a path having pond scum or green algae because:

For a projectile the range and maximum height are equal. The angle of projection is: