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
Two planets orbit the Sun in circular orbits, with their radius of orbit as R1=R and R2= 4R. Ratio of their periods (T1/T2) around the Sun will be
1/16
1/8
1/4
1/2
A metallic wire having a resistance of 20 Ω is cut into two equal parts in length. These parts are then connected in parallel. The resistance of this parallel combination is equal to
20 Ω
10 Ω
5 Ω
15 Ω
Light of uniform intensity impinges perpendicularly on a totally reflecting surface. If the area of the surface is halved, the radiation force on it will become
double
half
four times
One fourth
Consider the following image:
A proton enters a magnetic field at right angles to it, as shown above. The direction of force acting on the proton will be
to the right
to the left
out of the page
into the page
When the short circuit condition occurs, the current in the Circuit?
becomes zero
remains constant
increases substantially
keeps on changing randomly
