Related Questions

Two shafts ‘A’ and ‘B’ under pure torsion are of identical length and identical weight and are made of the same material. The shaft ‘A’ is solid and the shaft ‘B’ is hollow. We can say that
A Shaft B is better than shaft A
B Shaft A is better than shaft B
C Both the shafts are equally good
D None of these
In how many different ways can 3 identical green shirts and 3 identical red shirts be distributed among 6 children such that each child receives a shirt?
A 20
B 21
C 12
D 6
As an atom absorbs energy, ........ increases and the atom is said to be excited.
A as its energy level
B it is energy level
C the energy level of it
D the energy level
As an atom absorbs energy , ................. increases, and the atom is said to be excited .
A its energy level
B as its energy level
C it is energy level
D the energy level of its
As an atom absorbs energy,_____ increases, and the atom is said to be excitef
A its energy level
B as its energy level
C it is energy level
D the energy level of its
The oxygen atom is ________ times heavier than the hydrogen atom.
A 2
B 8
C 16
D 32
If the size of the nucleus of an atom is compared with a cricket ball, then the radius of the atom is approximately equal to how many kilometres?
A 0.5
B 0.005
C 0.05
D 5
Which of the followings is not a right isotope of Hydrogen?
A Hydrogen-7
B Protium
C Deuterium
D None of these
Which of the following is not an isotope of hydrogen?
A protium
B deuterium
C tritium
D helium
Which one is the radioactive isotope of hydrogen?
A Deuterium
B Ortho-hydrogen
C Tritium
D None of these

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