Questions

If the acceleration due to gravity on the surface of earth is g, then the acceleration due to gravity on the surface of a planet whose mass is half of that of earth and radius is same as that of earth is _________________.

The method of soil conservation in which stones, grass, soil are used to build barriers along contours and trenches are made in front of the barriers to collect water is called?

The size of yes no field is always

Marble is a metamorphic rock of _______.

Mars is the _______ planet from the Sun.

Which of the following areas make the largest contribution to national income in India?

Which  one  of  the following  is  the  value  of one nanometer?

In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.

Fix an object firmly and deeply in a surrounding mass