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
What is the effect on torque when angular momentum is increasing?
Increasing
Decreasing
Constant
None
Which of the following quantities has no dimensional unit
Reynold Number
Rydberg constant
Hubble constant
Wavenumber
piece of stone tied to a string is made to revolve in a circular orbit of radius r with other ends of the string as the center. If the string breaks, the stone will
move away from the center
move towards the centre
move along a tangent
strop
Which of the following lamps contains a poisonous gas and therefore should be disposed safely?
Compact fluorescent lamp
Light-emitting diode
Neon lamp
Halogen lamp
The optical phenomenon that is responsible for the propagation of light signal through an optical fiber is
Interference
scattering
total interval reection
refraction