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
Which one among the following happens when a swing rises to a certain height from its rest position?
Its potential energy decreases while kinetic energy increases
Its kinetic energy decreases while potential energy increases
Both potential and kinetic energy decrease
Both potential and kinetic energy increase
Optical fibers, though bent in any manner, allows light to pass through. What is the inference that one can draw from it?
The concept that light travels in straight path is wrong
Light can flow through the optical fibers
Light can travel through the fibers because of their ductility
Light can travel through the fibers due to multiple total internal reflections
If a charged particle (+q) is projected with certain velocity parallel to the magnetic field, then it will
trace helical path
trace circular path
continue its motion without any change
come to rest instantly
All life forms contain "molecules of life". These are -
Carbohydrates
Proteins
Nucleic acids
All of the above
Energy is required for maintenance of life. It is obtained by a process called -
Metabolism
Phagocytosis
Photorespiration
Decomposition
