Questions

Find the potential energy gained by a body of mass 50 kg, if it is raised by 10m. (use g = 10 m/s2)

Which of the following physical quantity measures the rate of work done?

Alveoli is related to which of the following system of human body?

The question below consists of a set of labelled sentences. These sentences, when properly sequenced form a coherent paragraph. Select the most logical order of sentences from among the options.

P: The depletion of organic nutrients in the soil has reached alarming proportions, thanks to indiscriminate use of chemical fertiliser in Green Revolution areas.
Q: As against an acceptable level of ‘soil organic carbon’ of well over 5 percent, soils in Punjab are said to have levels far below 1 percent.
R: Besides, 5.3 billion tonnes of soil is eroded annually, at a rate of 16.4 tonnes/hectare.
S: The nutrient imbalance has been skewed by the overuse of urea (N) vis-a-vis phosphatic (P in chemical parlance) and potassic (K) fertiliser.

Why does ice covered in sawdust not melt quickly?

The Equator does NOT pass through which of the following countries?

According to the Constitution, the ratio between the length and breadth of the national tricolor should be

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

Let bygones be bygones