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
The Alkali metals are called good reducing agents. This implies that__:
They easily capture electrons
They are not stable at room temperature
They easily lose electrons
They don’t act with dilute acids
Which among the following would cause the bright red color due to bursting of crackers?
Strontium
Sodium
Sulphur
Magnesium
Which of the following is incorrect about a satellite?
It is a freely falling body
it does not require energy for its motion in orbit
it suffers an acceleration
it moves with constant speed
What do we call the potential energy of surface molecules per unit area of the surface?
Surface energy
Surface Tension
Reynolds number
Potential constant
What happens to the time period of the simple pendulum if the solid bob is replaced by a hollow sphere of same radius but half the mass?
time period becomes double
time period remains unchanged
time period becomes half
time period becomes four times
