A. Smaller
B. Greater than 82
C. Same
D. Sometimes smaller some times greater
Related Mcqs:
- An alpha particle is emitted from 88Ra226. What is the mass and atomic number of the daughter nucleus ?
A. 224 – 84
B. 220 – 80
C. 222 – 86
D. 226 – 87 - Two convex lenses of equal focal length f are placed in contact the resultant focal length of the combination is______________?
A. zero
B. focus
C. 2 f
D. f/2 - Gas molecules of different masses in the same container have the same average transnational kinetic energy which is directly proportional to their_____________?
A. volume
B. pressure
C. absolute temperature
D. time - What is the force of attraction between any two bodies by virtue of their masses is called?
A. Electromagnetic Force
B. Gravitational Force
C. Centripetal Force
D. Nuclear ForceSubmitted by: Nayab Idrees
- In the nucleus of uranium, the number of neutrons will be _____________?
A. 92
B. 235
C. 143
D. Different for different isotopes - Average energy required to remove one nucleon from the nucleus is called__________________?
A. Binding energy per nucleon
B. Energy of decay
C. Destruction energy
D. All of above - Pair production takes place in the vicinity of a heavy nucleus so that_____________?
A. Net energy is conserved
B. Net charge is conserved
C. Net momentum is conserved
D. All of the above - The velocity of a particle of mass m of de-Broglie wavelength λ is______________?
A. v = 3 ×× 106 ms-1
B. v = 2 ×× 10 ms-1
C. v = 2 ×× 6 ms-1
D. v = 2 ×× 106 ms-1 - Electron cannot exist in the nucleus it is confirmed by observing that______________?
A. It does emit radiation
B. Its size as compare to proton and neutron is very small
C. No antiparticle of electron is present
D. The velocity of electron must be very high according to uncertainty principle - In addition to the daughter nucleus and an electron or positron, the products of a beta decay
A. Neutrons
B. Neutrino
C. Alpha particle
D. ProtonSubmitted by: Alina Malik
