An electron has kinetic energy, An electron has kinetic energy 2.8 x 10 -2...

An electron has kinetic energy 2.8 x 10 -23 J . de-Broglie wavelength will be nearly: (me: 9.1 x 10 -31 kg) (1) 9.28x 10 -4 m                 (2) 9.28 x10 -7 m

What is spontaneous reactions, Q. What is Spontaneous reactions? Ans. ...

Q. What is Spontaneous reactions? Ans. Spontaneous reactions can occur under specific conditions without any assistance. Most of the reactions you know are spontaneous r

Cells, what evidence is there that all cells have a common ancestor?

what evidence is there that all cells have a common ancestor?

Ionic bond,

Empirical formula , what is the empirical formula of a compound that contai...

what is the empirical formula of a compound that contains 53.73% iron and 46.27% sulphur?

Which of the following orbital is not possible, Which of the following orbi...

Which of the following orbital is not possible: (1) 3 f             (2) 4 f            (3)5 f       (4) 6 f Ans: 3 f

By which cycle form a helium nucleus?, Q) Inside the sun four hydrogen nucl...

Q) Inside the sun four hydrogen nuclei combine to form a helium nucleus by which cycle? Ans) Proton-proton cycle.

Antifertility, how can they used and what its side effects?

how can they used and what its side effects?

Uncertainty principle gave the concept, Uncertainty principle gave the conc...

Uncertainty principle gave the concept of: (1) Probability (2) An orbital (3)Physical meaning of Ψ   the Ψ   (4)All the above Ans:  Probability

Evaluate the gold number of a, Q. Evaluate the gold number of A? The co...

Q. Evaluate the gold number of A? The coagulation of 100 mL of colloidal sol. is completely prevented by adding 0.25g of a protective colloid 'A' to it before adding 1 mL of Na