Which of the following statements about the atom is/are c...
Which of the following statements about the atom is/are correct?
I. Energy is needed to remove electrons from an atom
II. Particles in the nucleus of an atom are bound together by strong forces.
III. A large amount of energy is required to separate the particles in the nucleus of an atom.
IV. When the nucleus of a uranium atom is split, the energy released accounts for the difference in the masses of the products and the parent nucleus
I only
I and II only
I and III only
II and IV only
I, II, III and IV
Correct answer is D
No explanation has been provided for this answer.
If the direction of the curent in a straight wire is reversed, the magnetic field ...
All electromagnetic waves in a vacuum have the same ...
Ripples on water are similar to light waves in that they both ...
The resultant of two forces 12N and 5N is 13N. What is the angle between the two forces? ...