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
Sound would travel fastest in
Water
Air
Diamond
Iron
The CMYK colour model used in color printing, and is also used to describe the printing process itself. When CMY ‘primaries’ (two colours) are combined at full strength, the resulting ‘secondary’ mixtures are
Red, Green and Blue
White, Cyan and Orange
Green, Pink and Magenta
Black, Violet and White
In a plane mirror, image is always
At a fixed distance from the plane of the mirror
At the same distance behind the mirror as the object is in front of it
At a distance less than the distance of object from the mirror
At the focal point of the mirror irrespective of distance of the object from the mirror
Which of the following can be used to form a real image of a bright star on a paper?
Convex and Concave lens
Convex lens and Concave mirror
Convex mirror and Concave lens
Convex and Concave mirror
Which of the following force(s) is/are both attractive and repulsive?
1) Gravitation Force
2) Electromagnetic force
3) Strong interaction force
Select the correct answer using the codes below.
1 and 2 only
2 and 3 only
1 and 3 only
3 only