Nuclei having the same mass number but different atomic number are____________?

Related Mcqs:

1. A device for producing high-velocity nuclei is ________________?

   A. Cloud chamber
   B. Linear accelerator
   C. A mass spectrograph
   D. Wilson cloud chamber

2. 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

3. A particle having the mass of an electron and the charge of a proton is called a______________?

   A. Antiproton
   B. Positron
   C. Gamma rays
   D. Photon

4. Transuranic elements have an atomic number_______________?

   A. Greater than 72
   B. Greater than 82
   C. Greater than 92
   D. Greater than 102

5. Rutherford in his atomic model could not explain behavior of ___________ ?

   A. Electrons
   B. Protons
   C. Neutrons
   D. Neutrino

   Submitted by: Rashid Mehmood

6. Mass defect per nucleon is ___________________?

   A. The binding energy of the nucleus
   B. Packing fraction
   C. The average energy of the nucleus
   D. All of above are one and the same thing

7. Mass of neutron is________________?

   A. 1.67 x 10-31 kg
   B. 1.67 x 10-27 kg
   C. 9.1 x 10-31 kg
   D. 1.67 x 10-19 kg

8. A mass spectrograph (spectrometer) sorts out____________?

   A. Molecules
   B. Ions
   C. Elements
   D. Isotopes

9. Sum of the masses of constituent nucleons as compared to the mass of the resultant nucleus is______________?

   A. Smaller
   B. Greater than 82
   C. Same
   D. Sometimes smaller some times greater

10. If a material object moves with speed of light its mass becomes ________________?

    A. equal to its rest mass
    B. double of its rest mass
    C. infinite
    D. zero