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
Alternating current is converted to direct current?
Rectifier
Dynamo
Transformer
Motor
Fish can survive inside a frozen lake because
Fish are warm-blooded animals
Fish hibernate in Ice
Water near the bottom of the lake does not freeze
Ice is a good conductor of heat
What type of mirror can be used to obtain the real image of an object?
Plane mirror
Concave mirror
Convex mirror
All the above
Which of the following is neither element nor a compound ?
Glucose
Carbon
Air
Silver
Stainless steel contains
Chromium
Aluminium
Tin
Zinc
