Indian army has published the notification for SSC Tech 56 men and SSC Tech 27 women for the course commencing at OTA Chennai from April 2021
Consider the following parts of spectra:
Visible
Infrared
Ultraviolent
Microwave
Which of the following is the correct sequence in which their wavelenghts increase
4-3-1-2
4-1-2-3
3-2-1-4
3-1-2-4
Propagation of light quanta may be described by
Photons
Protons
Neurons
Electrons
Which among the following is not electromagnetic in nature
Cathode-rays
X-rays
Gamma-rays
Infrared-rays
The force experienced by the unit positive test charge placed at a point is called
Magnetic field at that point
Gravitational field at that point
Electric field at that point
Nuclear field at that point
A long jumper runs before jumping because he
covers a greater distance
maintains momentum conservation
gains energy by running
gains momentum