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The correct answer is B
A nucleus X of mass number 238 undergoes 3 α-decays and 2 β⁻-decays successively. The mass number and atomic number of the resulting nucleus Y are:...
Which of the following is not a chemical change?
If cream is removed from milk, its density –
Which one of the following gases is supporter of combustion?
The amount of water vapors differs from place to place. Its amount is minimum in which of the following places?
The pioneer of Atomic energy in India is
An object of mass 2 kg is lifted vertically through a distance of 1.5 m. The work done in process is
A fluid is flowing steadily through a horizontal pipe of varying cross-section. According to Bernoulli’s principle, the pressure is:
According to Mendeleev’s Periodic law, the elements were arranged in the periodic table in the order of…………...?
A point located 5cm away from a source of sinusoidal oscillations has a displacement equal to half of the maximum amplitude at time t=T/4 (where T is th...
