Physics Test-9...

When a particle moves along a straight path, then the particle has:

In Young's double slit experiment, first slit has width four times the width of the second slit. The ratio of the maximum intensity to the minimum intensity in the interference fringe system is:

A body of mass \(4\) kg accelerates from \(15\) m/s to \(25\) m/s in \(5\) seconds due to the application of a force on it. Calculate the magnitude of this force.

Which of the following process is used to do maximum work done on the ideal gas if the gas is compressed to half of its initial volume?

Name the type of energy (kinetic energy \(\mathrm{K}\) or potential energy U) possessed in the following case.

The bob of a simple pendulum at its extreme position.

In Young's double slit experiment the ratio of maximum and minimum intensity in the interference experiment is 9 . It means that the:

A plane electromagnetic wave, has frequency of \(2.0 \times 10^{10} \mathrm{~Hz}\) and its energy density is \(1.02 \times 10^{-8} \mathrm{~J} / \mathrm{m}^{3}\) in vacuum. The amplitude of the magnetic field of the wave is close to \(\left(\frac{1}{4 \pi \epsilon_{0}}=9 \times 10^{9} \frac{\mathrm{Nm}^{2}}{\mathrm{C}^{2}}\right.\) and speed of light \(=3 \times 10^{8} \mathrm{~ms}^{-1}\) ):

Which one of the following statements is true regarding the third law of motion?

Sensible heat is the heat required to __________.

Positive Beilstein shows that: