In simple cube one atom or molecule lies at its______________________?

Related Mcqs:

1. A body is moving with uniform velocity. Its______________________?

   A. speed changes B. acceleration changes C. direction of motion changes D. displacement from origin changes...

2. A cube of side 5 cm has a charge of 6 C. The surface density of charge is_________?

   A. 100 C m–2 B. 200 C m–2 C. 300 C m–2 D. 400 C m–2 Submitted by: Tauseef Ali...

3. Formation of large molecule by joining small molecules is_________________?

   A. Fusion B. Polymerization C. Crystallization D. Subtraction...

4. Average translational kinetic energy per molecule of an ideal gas is given by_____________?

   A. 3NaT/2R B. 2NaT/3 C. 3RT/2Na D. 3Na/2RT...

5. The energy liberated when one atom of U-235 undergoes fission reaction is________________?

   A. 200MeV B. 40MeV C. 30MeV D. 20MeV...

6. The diameter of an atom is approximately_______________?

   A. 10-12m B. 10-11m C. 10-10m D. 10-14m...

7. During an encounter with an atom alpha particle knocks out ______________?

   A. Protons B. Electrons C. Neutrons D. Nothing...

8. Hydrogen atom does not emit X-rays because _________________?

   A. its energy levels are too close to each other B. its energy levels are too far apart C. it is too small in size D. it has a single electron...

9. Ground state energy of the 4th orbit in a H-atom is_____________?

   A. 13.60 eV B. 3.40 eV C. 0.85 eV D. 1.51 eV...

10. In an electronic transition atom cannot emit______________?

    A. γ-rays B. Infra red radiation C. Visible light D. Ultraviolet rays...