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 X-rays produced,
heat is generated at the target
heat is absorbed at a target
the temperature of the target remains constant
brilliant light is seen at the target
Which one of the statements given below is not correct?
A vertical plane passing through the axis of a freely suspended magnet is called the magnetic meridian
A vertical plane passing through the axis of rotation of the Earth is called the geographical meridian
The degree to which the magnetic field can penetrate a medium is known as the relative permeability of the medium
The relative permeability is not a dimensionless quantity
When an object is placed at centre of curvature in front of a concave mirror, the image will form at
Between the center of curvature and focus
At focus
At the center of curvature
Between focus and pole
In a major eco-friendly step towards renewable energy generation in India, in June 2010 seaweed sourced ethanol (ethyl alcohol), a biofuel additive in transport fuel, has been used to run a car for the first time. With regard to this which of the following statements is/are correct? I. Experiment in this direction was carried out by the scientists of Central Salt and Marine Chemicals Research Institute (CSMCRI), Bhavnagar. II. India has become the first country in the world to produce and use green fuel to run cars.
Select the correct answer using the code given below
I only
II only
Both I and II
Neither I nor II
