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 same as that of earth and radius is twice as that of earth is _________________.

Japan is called the 'Land of the rising sun' because

To make child labour free society, PENCIL portal was launched in September 2017 in India. What does ‘P’ stand for in ‘PENCIL’?

Algae belongs to which of the following levels of the ecosystem?

The innovation theory of profit was proposed by

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

He _____ to the problem of air pollution in his speech.

Who advocated the introduction of western education and English language in India?

A solid sphere of diameter 17.5 cm is cut into two equal halves. What will be the increase (in cm2) in the total surface area?