Researchers found that pollution levels increse during monsoon season. Why they found so?

Why is shearing done during spring season ?

Two vessels A and B contain ideal gases with the temperature of B double that of A Both gases are heated, so that they attain the same temperature. It is found that the fractional increase in the most probable speed of gas in vessel A is double that of the mean speed of gas in B. The ration of the final to the initial temperatures of gas in vessel A is:

Why the secondary pollutants called as so?

Electrons are found only in certain energy levels called

Ask your teacher about secondary pollutants why they called so ?

Have you seen some birds in your surroundings only during a particular season? Why do they come here?

The angle of elevation of an object from a point P on the level ground is alpha . Moving d metres on the ground towards the object, the angle of elevation is found to be beta . Then the height (in metres -of the object is

The angle of elevation of an object from a point P on the level ground is a. Moving d metres on the ground towards the object, the angle of elevation is found to be beta . Then the height (in metres) of the object is

Read the following information and prepare any two questions. Pharmaceuticals and personal care products including medications, lotions and soap, are being found in increasing concentrations in lakes and rivers causing water pollution. Hazardous susbtances like fluorine mixed in ground water cause dangerous diseases, called fluorosis.