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
When oil floats on water, the surface tension of water
vanishes immediately
decreases considerably
increases considerably
remains unaffected
Consider two hollow glass spheres, one containing water and the other containing mercury. Each liquid fills about one-tenth of the volume of the sphere. In zero-gravity environment
water and mercury float freely inside the sphere
water forms a layer on the glass, while mercury floats
mercury forms a layer on the glass, while water floats
water and mercury both form a layer on the glass
In the relation α+βt+λ,α and λ are measured in meter (m) and tis measured in second (s). The SI unit of β must be
m
ms
s
ms-1
An object is kept 5 cm in front of a concave mirror of focal length 15 cm. What will be the nature of the image?
virtual, not magnified
virtual, magnified
real, not magnified
real, magnified
What is the telescope designed to search for earth-size planets in the nearby region of our galaxy, termed as?
Hubble telescope
Kepler telescope
Copernicus telescope
Newton telescope
